22113152001 has 12 divisors (see below), whose sum is σ = 32065507812. Its totient is φ = 14684737536.

The previous prime is 22113151913. The next prime is 22113152003. The reversal of 22113152001 is 10025131122.

It can be written as a sum of positive squares in 2 ways, for example, as 15326687601 + 6786464400 = 123801^2 + 82380^2 .

It is not a de Polignac number, because 22113152001 - 2⁷ = 22113151873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22113152003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4777876 + ... + 4782501.

It is an arithmetic number, because the mean of its divisors is an integer number (2672125651).

Almost surely, 2^22113152001 is an apocalyptic number.

It is an amenable number.

22113152001 is a deficient number, since it is larger than the sum of its proper divisors (9952355811).

22113152001 is a wasteful number, since it uses less digits than its factorization.

22113152001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560640 (or 9560637 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 22113152001 its reverse (10025131122), we get a palindrome (32138283123).

The spelling of 22113152001 in words is "twenty-two billion, one hundred thirteen million, one hundred fifty-two thousand, one".