22113311213232 has 80 divisors (see below), whose sum is σ = 64238133079680. Its totient is φ = 7282295247168.

The previous prime is 22113311213209. The next prime is 22113311213243. The reversal of 22113311213232 is 23231211331122.

22113311213232 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 3 + 311 + 21 + 323 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22113311213196 and 22113311213205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308326918 + ... + 308398629.

It is an arithmetic number, because the mean of its divisors is an integer number (802976663496).

Almost surely, 2^{22113311213232} is an apocalyptic number.

It is an amenable number.

22113311213232 is an abundant number, since it is smaller than the sum of its proper divisors (42124821866448).

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

22113311213232 is a wasteful number, since it uses less digits than its factorization.

22113311213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616725647 (or 616725635 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 22113311213232 its reverse (23231211331122), we get a palindrome (45344522544354).

The spelling of 22113311213232 in words is "twenty-two trillion, one hundred thirteen billion, three hundred eleven million, two hundred thirteen thousand, two hundred thirty-two".