221320133131120 has 60 divisors (see below), whose sum is σ = 528852460823064. Its totient is φ = 86135403121920.

The previous prime is 221320133131109. The next prime is 221320133131159. The reversal of 221320133131120 is 21131331023122.

It is a super-2 number, since 2×221320133131120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010300146 + ... + 1010519185.

Almost surely, 2^{221320133131120} is an apocalyptic number.

221320133131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221320133131120 is an abundant number, since it is smaller than the sum of its proper divisors (307532327691944).

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

221320133131120 is a wasteful number, since it uses less digits than its factorization.

221320133131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020819418 (or 2020819375 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 221320133131120 its reverse (21131331023122), we get a palindrome (242451464154242).

The spelling of 221320133131120 in words is "two hundred twenty-one trillion, three hundred twenty billion, one hundred thirty-three million, one hundred thirty-one thousand, one hundred twenty".