230002221991 has 2 divisors, whose sum is σ = 230002221992. Its totient is φ = 230002221990.

The previous prime is 230002221983. The next prime is 230002222001. The reversal of 230002221991 is 199122200032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230002221991 - 2³ = 230002221983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230002221971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115001110995 + 115001110996.

It is an arithmetic number, because the mean of its divisors is an integer number (115001110996).

Almost surely, 2^230002221991 is an apocalyptic number.

230002221991 is a deficient number, since it is larger than the sum of its proper divisors (1).

230002221991 is an equidigital number, since it uses as much as digits as its factorization.

230002221991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 230002221991 in words is "two hundred thirty billion, two million, two hundred twenty-one thousand, nine hundred ninety-one".