221312130199 has 2 divisors, whose sum is σ = 221312130200. Its totient is φ = 221312130198.

The previous prime is 221312130191. The next prime is 221312130209. The reversal of 221312130199 is 991031213122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221312130199 - 2³ = 221312130191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221312130191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110656065099 + 110656065100.

It is an arithmetic number, because the mean of its divisors is an integer number (110656065100).

Almost surely, 2^221312130199 is an apocalyptic number.

221312130199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221312130199 is an equidigital number, since it uses as much as digits as its factorization.

221312130199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 221312130199 in words is "two hundred twenty-one billion, three hundred twelve million, one hundred thirty thousand, one hundred ninety-nine".