121120968239 has 2 divisors, whose sum is σ = 121120968240. Its totient is φ = 121120968238.

The previous prime is 121120968191. The next prime is 121120968251. The reversal of 121120968239 is 932869021121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121120968239 - 2¹² = 121120964143 is a prime.

It is a super-2 number, since 2×121120968239² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121120968239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120968299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560484119 + 60560484120.

It is an arithmetic number, because the mean of its divisors is an integer number (60560484120).

Almost surely, 2^121120968239 is an apocalyptic number.

121120968239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120968239 is an equidigital number, since it uses as much as digits as its factorization.

121120968239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 121120968239 in words is "one hundred twenty-one billion, one hundred twenty million, nine hundred sixty-eight thousand, two hundred thirty-nine".