113312022220 has 24 divisors (see below), whose sum is σ = 238150823904. Its totient is φ = 45287556096.

The previous prime is 113312022211. The next prime is 113312022281. The reversal of 113312022220 is 22220213311.

It is a super-2 number, since 2×113312022220² (a number of 23 digits) contains 22 as substring.

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, 2303352 + ... + 2352031.

It is an arithmetic number, because the mean of its divisors is an integer number (9922950996).

Almost surely, 2^113312022220 is an apocalyptic number.

113312022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312022220 is an abundant number, since it is smaller than the sum of its proper divisors (124838801684).

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

113312022220 is a wasteful number, since it uses less digits than its factorization.

113312022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656609 (or 4656607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 113312022220 its reverse (22220213311), we get a palindrome (135532235531).

The spelling of 113312022220 in words is "one hundred thirteen billion, three hundred twelve million, twenty-two thousand, two hundred twenty".