102222111212112 has 40 divisors (see below), whose sum is σ = 264108357401920. Its totient is φ = 34069576412160.

The previous prime is 102222111212101. The next prime is 102222111212129. The reversal of 102222111212112 is 211212111222201.

It is a super-2 number, since 2×102222111212112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139025089 + ... + 139758432.

It is an arithmetic number, because the mean of its divisors is an integer number (6602708935048).

Almost surely, 2^{102222111212112} is an apocalyptic number.

102222111212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102222111212112 is an abundant number, since it is smaller than the sum of its proper divisors (161886246189808).

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

102222111212112 is a wasteful number, since it uses less digits than its factorization.

102222111212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278791171 (or 278791165 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 102222111212112 its reverse (211212111222201), we get a palindrome (313434222434313).

The spelling of 102222111212112 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, one hundred twelve".