113401123121 has 8 divisors (see below), whose sum is σ = 133226494464. Its totient is φ = 95161781520.

The previous prime is 113401123109. The next prime is 113401123127. The reversal of 113401123121 is 121321104311.

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

It is not a de Polignac number, because 113401123121 - 2³⁰ = 112327381297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113401123093 and 113401123102.

It is not an unprimeable number, because it can be changed into a prime (113401123127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396507281 + ... + 396507566.

It is an arithmetic number, because the mean of its divisors is an integer number (16653311808).

Almost surely, 2^113401123121 is an apocalyptic number.

113401123121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113401123121 is a deficient number, since it is larger than the sum of its proper divisors (19825371343).

113401123121 is a wasteful number, since it uses less digits than its factorization.

113401123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793014871.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 113401123121 its reverse (121321104311), we get a palindrome (234722227432).

The spelling of 113401123121 in words is "one hundred thirteen billion, four hundred one million, one hundred twenty-three thousand, one hundred twenty-one".