22112001211100 has 36 divisors (see below), whose sum is σ = 47983250234808. Its totient is φ = 8844762216000.

The previous prime is 22112001211099. The next prime is 22112001211103. The reversal of 22112001211100 is 111210021122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112001211103) 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, 38775035 + ... + 39341165.

It is an arithmetic number, because the mean of its divisors is an integer number (1332868062078).

Almost surely, 2^{22112001211100} is an apocalyptic number.

22112001211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112001211100 is an abundant number, since it is smaller than the sum of its proper divisors (25871249023708).

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

22112001211100 is a wasteful number, since it uses less digits than its factorization.

22112001211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956726 (or 956719 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22112001211100 its reverse (111210021122), we get a palindrome (22223211232222).

The spelling of 22112001211100 in words is "twenty-two trillion, one hundred twelve billion, one million, two hundred eleven thousand, one hundred".