22201021001100 has 144 divisors (see below), whose sum is σ = 67043203022880. Its totient is φ = 5666896435200.

The previous prime is 22201021001053. The next prime is 22201021001113. The reversal of 22201021001100 is 110012010222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16376035 + ... + 17679834.

It is an arithmetic number, because the mean of its divisors is an integer number (465577798770).

Almost surely, 2^{22201021001100} is an apocalyptic number.

22201021001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201021001100 is an abundant number, since it is smaller than the sum of its proper divisors (44842182021780).

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

22201021001100 is a wasteful number, since it uses less digits than its factorization.

22201021001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34055980 (or 34055973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22201021001100 its reverse (110012010222), we get a palindrome (22311033011322).

The spelling of 22201021001100 in words is "twenty-two trillion, two hundred one billion, twenty-one million, one thousand, one hundred".