113123021113 has 8 divisors (see below), whose sum is σ = 116612307720. Its totient is φ = 109656466560.

The previous prime is 113123021111. The next prime is 113123021153. The reversal of 113123021113 is 311120321311.

It can be written as a sum of positive squares in 4 ways, for example, as 19641181609 + 93481839504 = 140147^2 + 305748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113123021113 - 2¹ = 113123021111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113123021111) 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 7 ways as a sum of consecutive naturals, for example, 5672908 + ... + 5692813.

It is an arithmetic number, because the mean of its divisors is an integer number (14576538465).

Almost surely, 2^113123021113 is an apocalyptic number.

It is an amenable number.

113123021113 is a deficient number, since it is larger than the sum of its proper divisors (3489286607).

113123021113 is a wasteful number, since it uses less digits than its factorization.

113123021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366027.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113123021113 its reverse (311120321311), we get a palindrome (424243342424).

The spelling of 113123021113 in words is "one hundred thirteen billion, one hundred twenty-three million, twenty-one thousand, one hundred thirteen".