100044144221200 has 60 divisors (see below), whose sum is σ = 253006375273360. Its totient is φ = 37911465175680.

The previous prime is 100044144221141. The next prime is 100044144221209. The reversal of 100044144221200 is 2122441440001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (100044144221209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6581843994 + ... + 6581859193.

Almost surely, 2^{100044144221200} is an apocalyptic number.

100044144221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100044144221200 is an abundant number, since it is smaller than the sum of its proper divisors (152962231052160).

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

100044144221200 is a wasteful number, since it uses less digits than its factorization.

100044144221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13163703224 (or 13163703213 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 100044144221200 its reverse (2122441440001), we get a palindrome (102166585661201).

The spelling of 100044144221200 in words is "one hundred trillion, forty-four billion, one hundred forty-four million, two hundred twenty-one thousand, two hundred".