121752363091 has 2 divisors, whose sum is σ = 121752363092. Its totient is φ = 121752363090.

The previous prime is 121752363079. The next prime is 121752363127. The reversal of 121752363091 is 190363257121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121752363091 - 2³⁵ = 87392624723 is a prime.

It is not a weakly prime, because it can be changed into another prime (121752313091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60876181545 + 60876181546.

It is an arithmetic number, because the mean of its divisors is an integer number (60876181546).

Almost surely, 2^121752363091 is an apocalyptic number.

121752363091 is a deficient number, since it is larger than the sum of its proper divisors (1).

121752363091 is an equidigital number, since it uses as much as digits as its factorization.

121752363091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 121752363091 in words is "one hundred twenty-one billion, seven hundred fifty-two million, three hundred sixty-three thousand, ninety-one".