22111002021000 has 64 divisors (see below), whose sum is σ = 68986326314880. Its totient is φ = 5896267204800.

The previous prime is 22111002020993. The next prime is 22111002021047. The reversal of 22111002021000 is 12020011122.

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 15 ways as a sum of consecutive naturals, for example, 3685164004 + ... + 3685170003.

It is an arithmetic number, because the mean of its divisors is an integer number (1077911348670).

Almost surely, 2^{22111002021000} is an apocalyptic number.

22111002021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111002021000 is an abundant number, since it is smaller than the sum of its proper divisors (46875324293880).

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

22111002021000 is a wasteful number, since it uses less digits than its factorization.

22111002021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370334031 (or 7370334017 counting only the distinct ones).

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

Adding to 22111002021000 its reverse (12020011122), we get a palindrome (22123022032122).

The spelling of 22111002021000 in words is "twenty-two trillion, one hundred eleven billion, two million, twenty-one thousand".