102111221100112 has 80 divisors (see below), whose sum is σ = 226620915333120. Its totient is φ = 43661902144896.

The previous prime is 102111221100103. The next prime is 102111221100137. The reversal of 102111221100112 is 211001122111201.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 87881439 + ... + 89035777.

It is an arithmetic number, because the mean of its divisors is an integer number (2832761441664).

Almost surely, 2^{102111221100112} is an apocalyptic number.

It is an amenable number.

102111221100112 is an abundant number, since it is smaller than the sum of its proper divisors (124509694233008).

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

102111221100112 is a wasteful number, since it uses less digits than its factorization.

102111221100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156160 (or 1156154 counting only the distinct ones).

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

Adding to 102111221100112 its reverse (211001122111201), we get a palindrome (313112343211313).

The spelling of 102111221100112 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred thousand, one hundred twelve".