113110121123 has 4 divisors (see below), whose sum is σ = 115027241880. Its totient is φ = 111193000368.

The previous prime is 113110121083. The next prime is 113110121147. The reversal of 113110121123 is 321121011311.

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

It is a cyclic number.

It is not a de Polignac number, because 113110121123 - 2²² = 113105926819 is a prime.

It is a super-2 number, since 2×113110121123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113110121023) 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, 958560290 + ... + 958560407.

It is an arithmetic number, because the mean of its divisors is an integer number (28756810470).

Almost surely, 2^113110121123 is an apocalyptic number.

113110121123 is a deficient number, since it is larger than the sum of its proper divisors (1917120757).

113110121123 is an equidigital number, since it uses as much as digits as its factorization.

113110121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917120756.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 113110121123 its reverse (321121011311), we get a palindrome (434231132434).

The spelling of 113110121123 in words is "one hundred thirteen billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-three".