100221111210 has 64 divisors (see below), whose sum is σ = 262464209280. Its totient is φ = 24289812480.

The previous prime is 100221111203. The next prime is 100221111241. The reversal of 100221111210 is 12111122001.

It is a super-2 number, since 2×100221111210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1325794 + ... + 1399346.

It is an arithmetic number, because the mean of its divisors is an integer number (4101003270).

Almost surely, 2^100221111210 is an apocalyptic number.

100221111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221111210 is an abundant number, since it is smaller than the sum of its proper divisors (162243098070).

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

100221111210 is a wasteful number, since it uses less digits than its factorization.

100221111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77703.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100221111210 its reverse (12111122001), we get a palindrome (112332233211).

The spelling of 100221111210 in words is "one hundred billion, two hundred twenty-one million, one hundred eleven thousand, two hundred ten".