102221220211012 has 48 divisors (see below), whose sum is σ = 205890449264640. Its totient is φ = 43499377696032.

The previous prime is 102221220211009. The next prime is 102221220211039. The reversal of 102221220211012 is 210112022122201.

It is a super-2 number, since 2×102221220211012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7596568 + ... + 16191055.

It is an arithmetic number, because the mean of its divisors is an integer number (4289384359680).

Almost surely, 2^{102221220211012} is an apocalyptic number.

It is an amenable number.

102221220211012 is an abundant number, since it is smaller than the sum of its proper divisors (103669229053628).

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

102221220211012 is a wasteful number, since it uses less digits than its factorization.

102221220211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23788720 (or 23788718 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102221220211012 its reverse (210112022122201), we get a palindrome (312333242333213).

The spelling of 102221220211012 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, twelve".