100322212100 has 72 divisors (see below), whose sum is σ = 243013175328. Its totient is φ = 35632396800.

The previous prime is 100322212051. The next prime is 100322212139. The reversal of 100322212100 is 1212223001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1013189 + ... + 1107788.

Almost surely, 2^100322212100 is an apocalyptic number.

100322212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100322212100 is an abundant number, since it is smaller than the sum of its proper divisors (142690963228).

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

100322212100 is a wasteful number, since it uses less digits than its factorization.

100322212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121045 (or 2121038 counting only the distinct ones).

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

Adding to 100322212100 its reverse (1212223001), we get a palindrome (101534435101).

The spelling of 100322212100 in words is "one hundred billion, three hundred twenty-two million, two hundred twelve thousand, one hundred".