22111112201000 has 32 divisors (see below), whose sum is σ = 51740002552680. Its totient is φ = 8844444880000.

The previous prime is 22111112200987. The next prime is 22111112201021. The reversal of 22111112201000 is 10221111122.

It can be written as a sum of positive squares in 4 ways, for example, as 1709864833924 + 20401247367076 = 1307618^2 + 4516774^2 .

It is a super-2 number, since 2×22111112201000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11055555101 + ... + 11055557100.

Almost surely, 2^{22111112201000} is an apocalyptic number.

22111112201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111112201000 is an abundant number, since it is smaller than the sum of its proper divisors (29628890351680).

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

22111112201000 is a wasteful number, since it uses less digits than its factorization.

22111112201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111112222 (or 22111112208 counting only the distinct ones).

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

Adding to 22111112201000 its reverse (10221111122), we get a palindrome (22121333312122).

The spelling of 22111112201000 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve million, two hundred one thousand".