113013021222 has 24 divisors (see below), whose sum is σ = 244984116000. Its totient is φ = 37652150160.

The previous prime is 113013021211. The next prime is 113013021227. The reversal of 113013021222 is 222120310311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113013021195 and 113013021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113013021227) 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, 1534429 + ... + 1606392.

It is an arithmetic number, because the mean of its divisors is an integer number (10207671500).

Almost surely, 2^113013021222 is an apocalyptic number.

113013021222 is an abundant number, since it is smaller than the sum of its proper divisors (131971094778).

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

113013021222 is a wasteful number, since it uses less digits than its factorization.

113013021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142828 (or 3142825 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113013021222 its reverse (222120310311), we get a palindrome (335133331533).

The spelling of 113013021222 in words is "one hundred thirteen billion, thirteen million, twenty-one thousand, two hundred twenty-two".