102021113021112 has 48 divisors (see below), whose sum is σ = 279042895783080. Its totient is φ = 33670334328000.

The previous prime is 102021113021017. The next prime is 102021113021119. The reversal of 102021113021112 is 211120311120201.

It is a happy number.

102021113021112 is a `hidden beast` number, since 102 + 0 + 211 + 130 + 211 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021113021119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7014645714 + ... + 7014660257.

Almost surely, 2^{102021113021112} is an apocalyptic number.

102021113021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102021113021112 is an abundant number, since it is smaller than the sum of its proper divisors (177021782761968).

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

102021113021112 is a wasteful number, since it uses less digits than its factorization.

102021113021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029306084 (or 14029306077 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 102021113021112 its reverse (211120311120201), we get a palindrome (313141424141313).

The spelling of 102021113021112 in words is "one hundred two trillion, twenty-one billion, one hundred thirteen million, twenty-one thousand, one hundred twelve".