121932922369 has 2 divisors, whose sum is σ = 121932922370. Its totient is φ = 121932922368.

The previous prime is 121932922367. The next prime is 121932922373. The reversal of 121932922369 is 963229239121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119729840400 + 2203081969 = 346020^2 + 46937^2 .

It is a cyclic number.

It is not a de Polignac number, because 121932922369 - 2¹ = 121932922367 is a prime.

It is a super-2 number, since 2×121932922369² (a number of 23 digits) contains 22 as substring.

Together with 121932922367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121932922367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60966461184 + 60966461185.

It is an arithmetic number, because the mean of its divisors is an integer number (60966461185).

Almost surely, 2^121932922369 is an apocalyptic number.

It is an amenable number.

121932922369 is a deficient number, since it is larger than the sum of its proper divisors (1).

121932922369 is an equidigital number, since it uses as much as digits as its factorization.

121932922369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The spelling of 121932922369 in words is "one hundred twenty-one billion, nine hundred thirty-two million, nine hundred twenty-two thousand, three hundred sixty-nine".