220031210102 has 16 divisors (see below), whose sum is σ = 360115034112. Its totient is φ = 99996418920.

The previous prime is 220031210083. The next prime is 220031210129. The reversal of 220031210102 is 201012130022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761318 + ... + 1009785.

It is an arithmetic number, because the mean of its divisors is an integer number (22507189632).

Almost surely, 2^220031210102 is an apocalyptic number.

220031210102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220031210102 is a deficient number, since it is larger than the sum of its proper divisors (140083824010).

220031210102 is a wasteful number, since it uses less digits than its factorization.

220031210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776763.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220031210102 its reverse (201012130022), we get a palindrome (421043340124).

The spelling of 220031210102 in words is "two hundred twenty billion, thirty-one million, two hundred ten thousand, one hundred two".