22111231011000 has 128 divisors (see below), whose sum is σ = 68989828377600. Its totient is φ = 5896090012800.

The previous prime is 22111231010971. The next prime is 22111231011029. The reversal of 22111231011000 is 11013211122.

It is an interprime number because it is at equal distance from previous prime (22111231010971) and next prime (22111231011029).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81581709 + ... + 81852291.

It is an arithmetic number, because the mean of its divisors is an integer number (538983034200).

Almost surely, 2^{22111231011000} is an apocalyptic number.

22111231011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111231011000 is an abundant number, since it is smaller than the sum of its proper divisors (46878597366600).

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

22111231011000 is a wasteful number, since it uses less digits than its factorization.

22111231011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297846 (or 297832 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22111231011000 its reverse (11013211122), we get a palindrome (22122244222122).

The spelling of 22111231011000 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty-one million, eleven thousand".