121220322319 has 2 divisors, whose sum is σ = 121220322320. Its totient is φ = 121220322318.

The previous prime is 121220322257. The next prime is 121220322323. The reversal of 121220322319 is 913223022121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121220322319 - 2²⁹ = 120683451407 is a prime.

It is a super-2 number, since 2×121220322319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121220326319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610161159 + 60610161160.

It is an arithmetic number, because the mean of its divisors is an integer number (60610161160).

Almost surely, 2^121220322319 is an apocalyptic number.

121220322319 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220322319 is an equidigital number, since it uses as much as digits as its factorization.

121220322319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 121220322319 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred twenty-two thousand, three hundred nineteen".