102222012102112 has 72 divisors (see below), whose sum is σ = 235790882734680. Its totient is φ = 43494257882880.

The previous prime is 102222012102061. The next prime is 102222012102121. The reversal of 102222012102112 is 211201210222201.

It is a super-2 number, since 2×102222012102112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102222012102112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234287839 + ... + 234723742.

It is an arithmetic number, because the mean of its divisors is an integer number (3274873371315).

Almost surely, 2^{102222012102112} is an apocalyptic number.

It is an amenable number.

102222012102112 is an abundant number, since it is smaller than the sum of its proper divisors (133568870632568).

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

102222012102112 is a wasteful number, since it uses less digits than its factorization.

102222012102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469011744 (or 469011729 counting only the distinct ones).

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

Adding to 102222012102112 its reverse (211201210222201), we get a palindrome (313423222324313).

The spelling of 102222012102112 in words is "one hundred two trillion, two hundred twenty-two billion, twelve million, one hundred two thousand, one hundred twelve".