121110000023 has 4 divisors (see below), whose sum is σ = 121110903648. Its totient is φ = 121109096400.

The previous prime is 121110000007. The next prime is 121110000059. The reversal of 121110000023 is 320000011121.

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 is a cyclic number.

It is not a de Polignac number, because 121110000023 - 2⁴ = 121110000007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121109999959 and 121110000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110000083) 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, 206303 + ... + 533648.

It is an arithmetic number, because the mean of its divisors is an integer number (30277725912).

Almost surely, 2^121110000023 is an apocalyptic number.

121110000023 is a deficient number, since it is larger than the sum of its proper divisors (903625).

121110000023 is an equidigital number, since it uses as much as digits as its factorization.

121110000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903624.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 121110000023 its reverse (320000011121), we get a palindrome (441110011144).

The spelling of 121110000023 in words is "one hundred twenty-one billion, one hundred ten million, twenty-three", and thus it is an aban number.