22111202880 has 672 divisors, whose sum is σ = 89022326400. Its totient is φ = 5149827072.

The previous prime is 22111202873. The next prime is 22111202921. The reversal of 22111202880 is 8820211122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27742642 + ... + 27743438.

It is an arithmetic number, because the mean of its divisors is an integer number (132473700).

Almost surely, 2^22111202880 is an apocalyptic number.

22111202880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111202880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44511163200).

22111202880 is an abundant number, since it is smaller than the sum of its proper divisors (66911123520).

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

22111202880 is a wasteful number, since it uses less digits than its factorization.

22111202880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The spelling of 22111202880 in words is "twenty-two billion, one hundred eleven million, two hundred two thousand, eight hundred eighty".