113113103220 has 72 divisors (see below), whose sum is σ = 369502811496. Its totient is φ = 27843224832.

The previous prime is 113113103209. The next prime is 113113103221. The reversal of 113113103220 is 22301311311.

113113103220 is a `hidden beast` number, since 1 + 1 + 31 + 1 + 310 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2180142864 + 110932960356 = 46692^2 + 333066^2 .

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 = 113113103193 and 113113103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113113103221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24167127 + ... + 24171806.

It is an arithmetic number, because the mean of its divisors is an integer number (5131983493).

Almost surely, 2^113113103220 is an apocalyptic number.

113113103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113113103220 is an abundant number, since it is smaller than the sum of its proper divisors (256389708276).

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

113113103220 is a wasteful number, since it uses less digits than its factorization.

113113103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48338961 (or 48338956 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113113103220 its reverse (22301311311), we get a palindrome (135414414531).

The spelling of 113113103220 in words is "one hundred thirteen billion, one hundred thirteen million, one hundred three thousand, two hundred twenty".