102100012021112 has 64 divisors (see below), whose sum is σ = 220444707003840. Its totient is φ = 43426462464000.

The previous prime is 102100012021093. The next prime is 102100012021153. The reversal of 102100012021112 is 211120210001201.

It is a super-2 number, since 2×102100012021112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 7115939 + ... + 15963602.

It is an arithmetic number, because the mean of its divisors is an integer number (3444448546935).

Almost surely, 2^{102100012021112} is an apocalyptic number.

It is an amenable number.

102100012021112 is an abundant number, since it is smaller than the sum of its proper divisors (118344694982728).

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

102100012021112 is a wasteful number, since it uses less digits than its factorization.

102100012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080152 (or 23080148 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102100012021112 its reverse (211120210001201), we get a palindrome (313220222022313).

The spelling of 102100012021112 in words is "one hundred two trillion, one hundred billion, twelve million, twenty-one thousand, one hundred twelve".