2101222002 has 32 divisors (see below), whose sum is σ = 4589815104. Its totient is φ = 635993600.

The previous prime is 2101221979. The next prime is 2101222007. The reversal of 2101222002 is 2002221012.

It is not an unprimeable number, because it can be changed into a prime (2101222007) 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, 40078 + ... + 76214.

It is an arithmetic number, because the mean of its divisors is an integer number (143431722).

Almost surely, 2^2101222002 is an apocalyptic number.

2101222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101222002 is an abundant number, since it is smaller than the sum of its proper divisors (2488593102).

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

2101222002 is a wasteful number, since it uses less digits than its factorization.

2101222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37034.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2101222002 is about 45839.0881453809. The cubic root of 2101222002 is about 1280.8275089340.

Adding to 2101222002 its reverse (2002221012), we get a palindrome (4103443014).

The spelling of 2101222002 in words is "two billion, one hundred one million, two hundred twenty-two thousand, two".