113211120132 has 54 divisors (see below), whose sum is σ = 314553314894. Its totient is φ = 34306398720.

The previous prime is 113211120131. The next prime is 113211120151. The reversal of 113211120132 is 231021112311.

It can be written as a sum of positive squares in only one way, i.e., 77978328516 + 35232791616 = 279246^2 + 187704^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113211120131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12990493 + ... + 12999204.

Almost surely, 2^113211120132 is an apocalyptic number.

113211120132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113211120132 is an abundant number, since it is smaller than the sum of its proper divisors (201342194762).

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

113211120132 is a wasteful number, since it uses less digits than its factorization.

113211120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25989729 (or 25989713 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113211120132 its reverse (231021112311), we get a palindrome (344232232443).

The spelling of 113211120132 in words is "one hundred thirteen billion, two hundred eleven million, one hundred twenty thousand, one hundred thirty-two".