102110021202112 has 56 divisors (see below), whose sum is σ = 252622844674560. Its totient is φ = 39783125141760.

The previous prime is 102110021202067. The next prime is 102110021202113. The reversal of 102110021202112 is 211202120011201.

It is a tau number, because it is divible by the number of its divisors (56).

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

It is not an unprimeable number, because it can be changed into a prime (102110021202113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10360183912 + ... + 10360193767.

Almost surely, 2^{102110021202112} is an apocalyptic number.

It is an amenable number.

102110021202112 is an abundant number, since it is smaller than the sum of its proper divisors (150512823472448).

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

102110021202112 is a wasteful number, since it uses less digits than its factorization.

102110021202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20720377709 (or 20720377699 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102110021202112 its reverse (211202120011201), we get a palindrome (313312141213313).

The spelling of 102110021202112 in words is "one hundred two trillion, one hundred ten billion, twenty-one million, two hundred two thousand, one hundred twelve".