20233624117121 has 2 divisors, whose sum is σ = 20233624117122. Its totient is φ = 20233624117120.

The previous prime is 20233624117061. The next prime is 20233624117129. The reversal of 20233624117121 is 12171142633202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13739358008896 + 6494266108225 = 3706664^2 + 2548385^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233624117121 - 2¹⁴ = 20233624100737 is a prime.

It is not a weakly prime, because it can be changed into another prime (20233624117129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116812058560 + 10116812058561.

It is an arithmetic number, because the mean of its divisors is an integer number (10116812058561).

Almost surely, 2^{20233624117121} is an apocalyptic number.

It is an amenable number.

20233624117121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233624117121 is an equidigital number, since it uses as much as digits as its factorization.

20233624117121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 20233624117121 in words is "twenty trillion, two hundred thirty-three billion, six hundred twenty-four million, one hundred seventeen thousand, one hundred twenty-one".