102021100211112 has 32 divisors (see below), whose sum is σ = 255152497552800. Its totient is φ = 33993733800384.

The previous prime is 102021100211033. The next prime is 102021100211119. The reversal of 102021100211112 is 211112001120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102021100211091 and 102021100211100.

It is not an unprimeable number, because it can be changed into a prime (102021100211119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831162562 + ... + 831285297.

It is an arithmetic number, because the mean of its divisors is an integer number (7973515548525).

Almost surely, 2^{102021100211112} is an apocalyptic number.

102021100211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102021100211112 is an abundant number, since it is smaller than the sum of its proper divisors (153131397341688).

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

102021100211112 is a wasteful number, since it uses less digits than its factorization.

102021100211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662450425 (or 1662450421 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102021100211112 its reverse (211112001120201), we get a palindrome (313133101331313).

The spelling of 102021100211112 in words is "one hundred two trillion, twenty-one billion, one hundred million, two hundred eleven thousand, one hundred twelve".