22111200112000 has 64 divisors (see below), whose sum is σ = 54973971318240. Its totient is φ = 8844480038400.

The previous prime is 22111200111953. The next prime is 22111200112009. The reversal of 22111200112000 is 21100211122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111200112009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690959004 + ... + 690991003.

Almost surely, 2^{22111200112000} is an apocalyptic number.

22111200112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111200112000 is an abundant number, since it is smaller than the sum of its proper divisors (32862771206240).

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

22111200112000 is an equidigital number, since it uses as much as digits as its factorization.

22111200112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381950036 (or 1381950014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22111200112000 its reverse (21100211122), we get a palindrome (22132300323122).

The spelling of 22111200112000 in words is "twenty-two trillion, one hundred eleven billion, two hundred million, one hundred twelve thousand".