22115501120 has 56 divisors (see below), whose sum is σ = 52688554008. Its totient is φ = 8841830400.

The previous prime is 22115501099. The next prime is 22115501137. The reversal of 22115501120 is 2110551122.

It can be written as a sum of positive squares in 4 ways, for example, as 296666176 + 21818834944 = 17224^2 + 147712^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22115501092 and 22115501101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675530 + ... + 707510.

Almost surely, 2^22115501120 is an apocalyptic number.

22115501120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22115501120 is an abundant number, since it is smaller than the sum of its proper divisors (30573052888).

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

22115501120 is a wasteful number, since it uses less digits than its factorization.

22115501120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34159 (or 34149 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The spelling of 22115501120 in words is "twenty-two billion, one hundred fifteen million, five hundred one thousand, one hundred twenty".