13021220110320 has 120 divisors (see below), whose sum is σ = 43833469335552. Its totient is φ = 3464077478400.

The previous prime is 13021220110273. The next prime is 13021220110391. The reversal of 13021220110320 is 2301102212031.

13021220110320 is a `hidden beast` number, since 1 + 3 + 0 + 212 + 20 + 110 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×13021220110320² (a number of 27 digits) contains 22 as substring.

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 = 13021220110293 and 13021220110302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21175536 + ... + 21781775.

Almost surely, 2^{13021220110320} is an apocalyptic number.

13021220110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021220110320 is an abundant number, since it is smaller than the sum of its proper divisors (30812249225232).

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

13021220110320 is a wasteful number, since it uses less digits than its factorization.

13021220110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42957751 (or 42957742 counting only the distinct ones).

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

Adding to 13021220110320 its reverse (2301102212031), we get a palindrome (15322322322351).

The spelling of 13021220110320 in words is "thirteen trillion, twenty-one billion, two hundred twenty million, one hundred ten thousand, three hundred twenty".