23110121941 has 2 divisors, whose sum is σ = 23110121942. Its totient is φ = 23110121940.

The previous prime is 23110121939. The next prime is 23110122019. The reversal of 23110121941 is 14912101132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22961037841 + 149084100 = 151529^2 + 12210^2 .

It is a cyclic number.

It is not a de Polignac number, because 23110121941 - 2¹ = 23110121939 is a prime.

It is a super-2 number, since 2×23110121941² (a number of 22 digits) contains 22 as substring.

Together with 23110121939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110121921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555060970 + 11555060971.

It is an arithmetic number, because the mean of its divisors is an integer number (11555060971).

Almost surely, 2^23110121941 is an apocalyptic number.

It is an amenable number.

23110121941 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110121941 is an equidigital number, since it uses as much as digits as its factorization.

23110121941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 23110121941 in words is "twenty-three billion, one hundred ten million, one hundred twenty-one thousand, nine hundred forty-one".