22111112188992 has 224 divisors, whose sum is σ = 64227726662400. Its totient is φ = 6682138509312.

The previous prime is 22111112188943. The next prime is 22111112189011. The reversal of 22111112188992 is 29988121111122.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 40716309 + ... + 41255787.

It is an arithmetic number, because the mean of its divisors is an integer number (286730922600).

Almost surely, 2^{22111112188992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111112188992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32113863331200).

22111112188992 is an abundant number, since it is smaller than the sum of its proper divisors (42116614473408).

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

22111112188992 is a wasteful number, since it uses less digits than its factorization.

22111112188992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539973 (or 539963 counting only the distinct ones).

The product of its digits is 82944, while the sum is 48.

The spelling of 22111112188992 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve million, one hundred eighty-eight thousand, nine hundred ninety-two".