22100002111200 has 144 divisors (see below), whose sum is σ = 77469007509936. Its totient is φ = 5440000512000.

The previous prime is 22100002111189. The next prime is 22100002111237. The reversal of 22100002111200 is 211120000122.

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

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, 354135501 + ... + 354197900.

It is an arithmetic number, because the mean of its divisors is an integer number (537979218819).

Almost surely, 2^{22100002111200} is an apocalyptic number.

22100002111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100002111200 is an abundant number, since it is smaller than the sum of its proper divisors (55369005398736).

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

22100002111200 is a wasteful number, since it uses less digits than its factorization.

22100002111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708333437 (or 708333424 counting only the distinct ones).

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

Adding to 22100002111200 its reverse (211120000122), we get a palindrome (22311122111322).

The spelling of 22100002111200 in words is "twenty-two trillion, one hundred billion, two million, one hundred eleven thousand, two hundred".