121301202022991 has 2 divisors, whose sum is σ = 121301202022992. Its totient is φ = 121301202022990.

The previous prime is 121301202022961. The next prime is 121301202023003. The reversal of 121301202022991 is 199220202103121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121301202022991 is a prime.

It is a super-2 number, since 2×121301202022991² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301202022961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650601011495 + 60650601011496.

It is an arithmetic number, because the mean of its divisors is an integer number (60650601011496).

Almost surely, 2^{121301202022991} is an apocalyptic number.

121301202022991 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301202022991 is an equidigital number, since it uses as much as digits as its factorization.

121301202022991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 121301202022991 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred two million, twenty-two thousand, nine hundred ninety-one".