113003311121 has 4 divisors (see below), whose sum is σ = 113004331044. Its totient is φ = 113002291200.

The previous prime is 113003311103. The next prime is 113003311147. The reversal of 113003311121 is 121113300311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 44283310096 + 68720001025 = 210436^2 + 262145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113003311121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113003311121.

It is not an unprimeable number, because it can be changed into a prime (113003311171) 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, 320240 + ... + 573201.

It is an arithmetic number, because the mean of its divisors is an integer number (28251082761).

Almost surely, 2^113003311121 is an apocalyptic number.

It is an amenable number.

113003311121 is a deficient number, since it is larger than the sum of its proper divisors (1019923).

113003311121 is an equidigital number, since it uses as much as digits as its factorization.

113003311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019922.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113003311121 its reverse (121113300311), we get a palindrome (234116611432).

The spelling of 113003311121 in words is "one hundred thirteen billion, three million, three hundred eleven thousand, one hundred twenty-one".