113033121001 has 4 divisors (see below), whose sum is σ = 113034992004. Its totient is φ = 113031250000.

The previous prime is 113033120999. The next prime is 113033121011. The reversal of 113033121001 is 100121330311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100121330311 = 97 ⋅1032178663.

It can be written as a sum of positive squares in 2 ways, for example, as 110423954601 + 2609166400 = 332301^2 + 51080^2 .

It is a cyclic number.

It is not a de Polignac number, because 113033121001 - 2¹ = 113033120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113033121011) 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 3 ways as a sum of consecutive naturals, for example, 841750 + ... + 966751.

It is an arithmetic number, because the mean of its divisors is an integer number (28258748001).

Almost surely, 2^113033121001 is an apocalyptic number.

It is an amenable number.

113033121001 is a deficient number, since it is larger than the sum of its proper divisors (1871003).

113033121001 is an equidigital number, since it uses as much as digits as its factorization.

113033121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871002.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 113033121001 its reverse (100121330311), we get a palindrome (213154451312).

The spelling of 113033121001 in words is "one hundred thirteen billion, thirty-three million, one hundred twenty-one thousand, one".