22111897104 has 200 divisors, whose sum is σ = 69937845120. Its totient is φ = 6688915200.

The previous prime is 22111897057. The next prime is 22111897123. The reversal of 22111897104 is 40179811122.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11817289 + ... + 11819159.

Almost surely, 2^22111897104 is an apocalyptic number.

22111897104 is a gapful number since it is divisible by the number (24) 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 22111897104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34968922560).

22111897104 is an abundant number, since it is smaller than the sum of its proper divisors (47825948016).

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

22111897104 is a wasteful number, since it uses less digits than its factorization.

22111897104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 22111897104 in words is "twenty-two billion, one hundred eleven million, eight hundred ninety-seven thousand, one hundred four".