113132121233 has 4 divisors (see below), whose sum is σ = 113133691620. Its totient is φ = 113130550848.

The previous prime is 113132121229. The next prime is 113132121239. The reversal of 113132121233 is 332121231311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332121231311 = 547 ⋅607168613.

It can be written as a sum of positive squares in 2 ways, for example, as 71946259984 + 41185861249 = 268228^2 + 202943^2 .

It is a cyclic number.

It is not a de Polignac number, because 113132121233 - 2² = 113132121229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113132121199 and 113132121208.

It is not an unprimeable number, because it can be changed into a prime (113132121239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671660 + ... + 823037.

It is an arithmetic number, because the mean of its divisors is an integer number (28283422905).

Almost surely, 2^113132121233 is an apocalyptic number.

It is an amenable number.

113132121233 is a deficient number, since it is larger than the sum of its proper divisors (1570387).

113132121233 is an equidigital number, since it uses as much as digits as its factorization.

113132121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570386.

The product of its digits is 648, while the sum is 23.

Adding to 113132121233 its reverse (332121231311), we get a palindrome (445253352544).

The spelling of 113132121233 in words is "one hundred thirteen billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-three".