102201221010210 has 160 divisors (see below), whose sum is σ = 298587544721280. Its totient is φ = 22344614417664.

The previous prime is 102201221010181. The next prime is 102201221010211. The reversal of 102201221010210 is 12010122102201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102201221010210.

It is not an unprimeable number, because it can be changed into a prime (102201221010211) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29188315 + ... + 32501694.

It is an arithmetic number, because the mean of its divisors is an integer number (1866172154508).

Almost surely, 2^{102201221010210} is an apocalyptic number.

102201221010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201221010210 is an abundant number, since it is smaller than the sum of its proper divisors (196386323711070).

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

102201221010210 is an equidigital number, since it uses as much as digits as its factorization.

102201221010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61690070 (or 61690049 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102201221010210 its reverse (12010122102201), we get a palindrome (114211343112411).

The spelling of 102201221010210 in words is "one hundred two trillion, two hundred one billion, two hundred twenty-one million, ten thousand, two hundred ten".