102222211111212 has 48 divisors (see below), whose sum is σ = 252666841577472. Its totient is φ = 32054748284160.

The previous prime is 102222211111169. The next prime is 102222211111219. The reversal of 102222211111212 is 212111112222201.

It is not an unprimeable number, because it can be changed into a prime (102222211111219) 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, 116475864 + ... + 117350207.

It is an arithmetic number, because the mean of its divisors is an integer number (5263892532864).

Almost surely, 2^{102222211111212} is an apocalyptic number.

102222211111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102222211111212 is an abundant number, since it is smaller than the sum of its proper divisors (150444630466260).

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

102222211111212 is a wasteful number, since it uses less digits than its factorization.

102222211111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233828238 (or 233828236 counting only the distinct ones).

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

Adding to 102222211111212 its reverse (212111112222201), we get a palindrome (314333323333413).

The spelling of 102222211111212 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, two hundred twelve".