102112122221112 has 64 divisors (see below), whose sum is σ = 259156371340800. Its totient is φ = 33522714201600.

The previous prime is 102112122221093. The next prime is 102112122221149. The reversal of 102112122221112 is 211122221211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66392578 + ... + 67913169.

It is an arithmetic number, because the mean of its divisors is an integer number (4049318302200).

Almost surely, 2^{102112122221112} is an apocalyptic number.

102112122221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102112122221112 is an abundant number, since it is smaller than the sum of its proper divisors (157044249119688).

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

102112122221112 is a wasteful number, since it uses less digits than its factorization.

102112122221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134306236 (or 134306232 counting only the distinct ones).

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

Adding to 102112122221112 its reverse (211122221211201), we get a palindrome (313234343432313).

The spelling of 102112122221112 in words is "one hundred two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".