113120035215220 has 96 divisors (see below), whose sum is σ = 266239926126720. Its totient is φ = 40009547773440.

The previous prime is 113120035215169. The next prime is 113120035215223. The reversal of 113120035215220 is 22512530021311.

It is a super-2 number, since 2×113120035215220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113120035215223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22273102 + ... + 26876218.

It is an arithmetic number, because the mean of its divisors is an integer number (2773332563820).

Almost surely, 2^{113120035215220} is an apocalyptic number.

113120035215220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113120035215220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133119963063360).

113120035215220 is an abundant number, since it is smaller than the sum of its proper divisors (153119890911500).

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

113120035215220 is a wasteful number, since it uses less digits than its factorization.

113120035215220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606193 (or 4606191 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 113120035215220 its reverse (22512530021311), we get a palindrome (135632565236531).

The spelling of 113120035215220 in words is "one hundred thirteen trillion, one hundred twenty billion, thirty-five million, two hundred fifteen thousand, two hundred twenty".