113321010100 has 18 divisors (see below), whose sum is σ = 245906592134. Its totient is φ = 45328404000.

The previous prime is 113321010071. The next prime is 113321010109. The reversal of 113321010100 is 1010123311.

It can be written as a sum of positive squares in 3 ways, for example, as 29528356 + 113291481744 = 5434^2 + 336588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321010109) 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 5 ways as a sum of consecutive naturals, for example, 566604951 + ... + 566605150.

Almost surely, 2^113321010100 is an apocalyptic number.

113321010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113321010100 is an abundant number, since it is smaller than the sum of its proper divisors (132585582034).

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

113321010100 is a wasteful number, since it uses less digits than its factorization.

113321010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133210115 (or 1133210108 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 113321010100 its reverse (1010123311), we get a palindrome (114331133411).

The spelling of 113321010100 in words is "one hundred thirteen billion, three hundred twenty-one million, ten thousand, one hundred".