102220321112 has 64 divisors (see below), whose sum is σ = 240343951680. Its totient is φ = 39675796992.

The previous prime is 102220321061. The next prime is 102220321141. The reversal of 102220321112 is 211123022201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286063 + ... + 1363230.

It is an arithmetic number, because the mean of its divisors is an integer number (3755374245).

Almost surely, 2^102220321112 is an apocalyptic number.

It is an amenable number.

102220321112 is an abundant number, since it is smaller than the sum of its proper divisors (138123630568).

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

102220321112 is a wasteful number, since it uses less digits than its factorization.

102220321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649372 (or 2649368 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102220321112 its reverse (211123022201), we get a palindrome (313343343313).

The spelling of 102220321112 in words is "one hundred two billion, two hundred twenty million, three hundred twenty-one thousand, one hundred twelve".