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2122122102 = 231632169859
BaseRepresentation
bin111111001111101…
…0000001101110110
312110220010222020220
41332133100031312
513321230401402
6550324235210
7103405511622
oct17637201566
95426128226
102122122102
11999978821
124b283bb06
1327a865169
14161ba8182
15c6486dbc
hex7e7d0376

2122122102 has 16 divisors (see below), whose sum is σ = 4270284480. Its totient is φ = 703033992.

The previous prime is 2122122097. The next prime is 2122122109. The reversal of 2122122102 is 2012212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083952 + ... + 1085907.

It is an arithmetic number, because the mean of its divisors is an integer number (266892780).

Almost surely, 22122122102 is an apocalyptic number.

2122122102 is an abundant number, since it is smaller than the sum of its proper divisors (2148162378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122122102 is a wasteful number, since it uses less digits than its factorization.

2122122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170027.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2122122102 is about 46066.4965240466. The cubic root of 2122122102 is about 1285.0601498993.

Adding to 2122122102 its reverse (2012212212), we get a palindrome (4134334314).

It can be divided in two parts, 212212210 and 2, that added together give a palindrome (212212212).

The spelling of 2122122102 in words is "two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 163 326 489 978 2169859 4339718 6509577 13019154 353687017 707374034 1061061051 2122122102