102021112102 has 32 divisors (see below), whose sum is σ = 190175311872. Its totient is φ = 39968148384.

The previous prime is 102021112057. The next prime is 102021112117. The reversal of 102021112102 is 201211120201.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 2702398 + ... + 2739889.

It is an arithmetic number, because the mean of its divisors is an integer number (5942978496).

Almost surely, 2^102021112102 is an apocalyptic number.

102021112102 is a deficient number, since it is larger than the sum of its proper divisors (88154199770).

102021112102 is a wasteful number, since it uses less digits than its factorization.

102021112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442412.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102021112102 its reverse (201211120201), we get a palindrome (303232232303).

The spelling of 102021112102 in words is "one hundred two billion, twenty-one million, one hundred twelve thousand, one hundred two".