133113113220 has 24 divisors (see below), whose sum is σ = 372716717184. Its totient is φ = 35496830176.

The previous prime is 133113113207. The next prime is 133113113239. The reversal of 133113113220 is 22311311331.

It is a happy number.

It is a super-2 number, since 2×133113113220² (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, 1109275884 + ... + 1109276003.

It is an arithmetic number, because the mean of its divisors is an integer number (15529863216).

Almost surely, 2^133113113220 is an apocalyptic number.

133113113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133113113220 is an abundant number, since it is smaller than the sum of its proper divisors (239603603964).

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

133113113220 is a wasteful number, since it uses less digits than its factorization.

133113113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218551899 (or 2218551897 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133113113220 its reverse (22311311331), we get a palindrome (155424424551).

The spelling of 133113113220 in words is "one hundred thirty-three billion, one hundred thirteen million, one hundred thirteen thousand, two hundred twenty".