121032020117 has 2 divisors, whose sum is σ = 121032020118. Its totient is φ = 121032020116.

The previous prime is 121032020059. The next prime is 121032020143. The reversal of 121032020117 is 711020230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110728552081 + 10303468036 = 332759^2 + 101506^2 .

It is a cyclic number.

It is not a de Polignac number, because 121032020117 - 2¹⁴ = 121032003733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121032020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516010058 + 60516010059.

It is an arithmetic number, because the mean of its divisors is an integer number (60516010059).

Almost surely, 2^121032020117 is an apocalyptic number.

It is an amenable number.

121032020117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121032020117 is an equidigital number, since it uses as much as digits as its factorization.

121032020117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 121032020117 its reverse (711020230121), we get a palindrome (832052250238).

The spelling of 121032020117 in words is "one hundred twenty-one billion, thirty-two million, twenty thousand, one hundred seventeen".