113203100133121 has 4 divisors (see below), whose sum is σ = 113203130551812. Its totient is φ = 113203069714432.

The previous prime is 113203100133047. The next prime is 113203100133181. The reversal of 113203100133121 is 121331001302311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105265137614400 + 7937962518721 = 10259880^2 + 2817439^2 .

It is a cyclic number.

It is not a de Polignac number, because 113203100133121 - 2¹⁷ = 113203100002049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113203100133092 and 113203100133101.

It is not an unprimeable number, because it can be changed into a prime (113203100133181) 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, 8697856 + ... + 17379841.

It is an arithmetic number, because the mean of its divisors is an integer number (28300782637953).

Almost surely, 2^{113203100133121} is an apocalyptic number.

It is an amenable number.

113203100133121 is a deficient number, since it is larger than the sum of its proper divisors (30418691).

113203100133121 is an equidigital number, since it uses as much as digits as its factorization.

113203100133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30418690.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113203100133121 its reverse (121331001302311), we get a palindrome (234534101435432).

The spelling of 113203100133121 in words is "one hundred thirteen trillion, two hundred three billion, one hundred million, one hundred thirty-three thousand, one hundred twenty-one".