100221011312 has 20 divisors (see below), whose sum is σ = 196517708520. Its totient is φ = 49506763968.

The previous prime is 100221011239. The next prime is 100221011323. The reversal of 100221011312 is 213110122001.

It is a super-2 number, since 2×100221011312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37732487 + ... + 37735142.

It is an arithmetic number, because the mean of its divisors is an integer number (9825885426).

Almost surely, 2^100221011312 is an apocalyptic number.

It is an amenable number.

100221011312 is a deficient number, since it is larger than the sum of its proper divisors (96296697208).

100221011312 is an equidigital number, since it uses as much as digits as its factorization.

100221011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75467720 (or 75467714 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100221011312 its reverse (213110122001), we get a palindrome (313331133313).

The spelling of 100221011312 in words is "one hundred billion, two hundred twenty-one million, eleven thousand, three hundred twelve".