2122012101 has 16 divisors (see below), whose sum is σ = 3102732288. Its totient is φ = 1279330800.

The previous prime is 2122012069. The next prime is 2122012103. The reversal of 2122012101 is 1012102212.

It is not a de Polignac number, because 2122012101 - 2⁵ = 2122012069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122012103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162031 + ... + 174636.

It is an arithmetic number, because the mean of its divisors is an integer number (193920768).

Almost surely, 2^2122012101 is an apocalyptic number.

It is an amenable number.

2122012101 is a deficient number, since it is larger than the sum of its proper divisors (980720187).

2122012101 is a wasteful number, since it uses less digits than its factorization.

2122012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336872.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2122012101 is about 46065.3025714583. The cubic root of 2122012101 is about 1285.0379456564.

Adding to 2122012101 its reverse (1012102212), we get a palindrome (3134114313).

The spelling of 2122012101 in words is "two billion, one hundred twenty-two million, twelve thousand, one hundred one".