202230310120991 has 2 divisors, whose sum is σ = 202230310120992. Its totient is φ = 202230310120990.

The previous prime is 202230310120987. The next prime is 202230310121017. The reversal of 202230310120991 is 199021013032202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202230310120991 - 2² = 202230310120987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202230310126991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101115155060495 + 101115155060496.

It is an arithmetic number, because the mean of its divisors is an integer number (101115155060496).

Almost surely, 2^{202230310120991} is an apocalyptic number.

202230310120991 is a deficient number, since it is larger than the sum of its proper divisors (1).

202230310120991 is an equidigital number, since it uses as much as digits as its factorization.

202230310120991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 202230310120991 in words is "two hundred two trillion, two hundred thirty billion, three hundred ten million, one hundred twenty thousand, nine hundred ninety-one".