100202221210 has 96 divisors (see below), whose sum is σ = 226064941200. Its totient is φ = 31696293888.

The previous prime is 100202221201. The next prime is 100202221241. The reversal of 100202221210 is 12122202001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2414051689 + 97788169521 = 49133^2 + 312711^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23038116 + ... + 23042464.

Almost surely, 2^100202221210 is an apocalyptic number.

100202221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100202221210 is an abundant number, since it is smaller than the sum of its proper divisors (125862719990).

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

100202221210 is a wasteful number, since it uses less digits than its factorization.

100202221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000 (or 7993 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100202221210 its reverse (12122202001), we get a palindrome (112324423211).

The spelling of 100202221210 in words is "one hundred billion, two hundred two million, two hundred twenty-one thousand, two hundred ten".