121330032320281 has 2 divisors, whose sum is σ = 121330032320282. Its totient is φ = 121330032320280.

The previous prime is 121330032320209. The next prime is 121330032320293. The reversal of 121330032320281 is 182023230033121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68665402758681 + 52664629561600 = 8286459^2 + 7257040^2 .

It is a cyclic number.

It is not a de Polignac number, because 121330032320281 - 2²³ = 121330023931673 is a prime.

It is a super-2 number, since 2×121330032320281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121330032323281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665016160140 + 60665016160141.

It is an arithmetic number, because the mean of its divisors is an integer number (60665016160141).

Almost surely, 2^{121330032320281} is an apocalyptic number.

It is an amenable number.

121330032320281 is a deficient number, since it is larger than the sum of its proper divisors (1).

121330032320281 is an equidigital number, since it uses as much as digits as its factorization.

121330032320281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 121330032320281 in words is "one hundred twenty-one trillion, three hundred thirty billion, thirty-two million, three hundred twenty thousand, two hundred eighty-one".