100444122200 has 48 divisors (see below), whose sum is σ = 235371482880. Its totient is φ = 39861279360.

The previous prime is 100444122197. The next prime is 100444122211. The reversal of 100444122200 is 2221444001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1951847 + ... + 2002646.

It is an arithmetic number, because the mean of its divisors is an integer number (4903572560).

Almost surely, 2^100444122200 is an apocalyptic number.

100444122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100444122200 is an abundant number, since it is smaller than the sum of its proper divisors (134927360680).

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

100444122200 is a wasteful number, since it uses less digits than its factorization.

100444122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954636 (or 3954627 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100444122200 its reverse (2221444001), we get a palindrome (102665566201).

The spelling of 100444122200 in words is "one hundred billion, four hundred forty-four million, one hundred twenty-two thousand, two hundred".