104121112231 has 4 divisors (see below), whose sum is σ = 104121813600. Its totient is φ = 104120410864.

The previous prime is 104121112187. The next prime is 104121112283. The reversal of 104121112231 is 132211121401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 132211121401 = 47 ⋅2813002583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104121112231 is a prime.

It is a super-2 number, since 2×104121112231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104121112199 and 104121112208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121113231) 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, 30646 + ... + 457363.

It is an arithmetic number, because the mean of its divisors is an integer number (26030453400).

Almost surely, 2^104121112231 is an apocalyptic number.

104121112231 is a deficient number, since it is larger than the sum of its proper divisors (701369).

104121112231 is an equidigital number, since it uses as much as digits as its factorization.

104121112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701368.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 104121112231 its reverse (132211121401), we get a palindrome (236332233632).

The spelling of 104121112231 in words is "one hundred four billion, one hundred twenty-one million, one hundred twelve thousand, two hundred thirty-one".