23011120121 has 8 divisors (see below), whose sum is σ = 25106736000. Its totient is φ = 20916120240.

The previous prime is 23011120087. The next prime is 23011120123. The reversal of 23011120121 is 12102111032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23011120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23011120096 and 23011120105.

It is not an unprimeable number, because it can be changed into a prime (23011120123) 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, 74081 + ... + 226958.

It is an arithmetic number, because the mean of its divisors is an integer number (3138342000).

Almost surely, 2^23011120121 is an apocalyptic number.

It is an amenable number.

23011120121 is a deficient number, since it is larger than the sum of its proper divisors (2095615879).

23011120121 is a wasteful number, since it uses less digits than its factorization.

23011120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307999.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23011120121 its reverse (12102111032), we get a palindrome (35113231153).

The spelling of 23011120121 in words is "twenty-three billion, eleven million, one hundred twenty thousand, one hundred twenty-one".