100223222100 has 72 divisors (see below), whose sum is σ = 293472987360. Its totient is φ = 26404183680.

The previous prime is 100223222087. The next prime is 100223222119. The reversal of 100223222100 is 1222322001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100223222100.

It is a congruent 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, 1987615 + ... + 2037414.

Almost surely, 2^100223222100 is an apocalyptic number.

100223222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100223222100 is an abundant number, since it is smaller than the sum of its proper divisors (193249765260).

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

100223222100 is a wasteful number, since it uses less digits than its factorization.

100223222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025129 (or 4025122 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 100223222100 its reverse (1222322001), we get a palindrome (101445544101).

Subtracting from 100223222100 its reverse (1222322001), we obtain a palindrome (99000900099).

The spelling of 100223222100 in words is "one hundred billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred".