221200210119979 has 2 divisors, whose sum is σ = 221200210119980. Its totient is φ = 221200210119978.

The previous prime is 221200210119953. The next prime is 221200210120051. The reversal of 221200210119979 is 979911012002122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221200210119979 - 2¹⁵ = 221200210087211 is a prime.

It is not a weakly prime, because it can be changed into another prime (221200210119079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600105059989 + 110600105059990.

It is an arithmetic number, because the mean of its divisors is an integer number (110600105059990).

Almost surely, 2^{221200210119979} is an apocalyptic number.

221200210119979 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200210119979 is an equidigital number, since it uses as much as digits as its factorization.

221200210119979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 46.

The spelling of 221200210119979 in words is "two hundred twenty-one trillion, two hundred billion, two hundred ten million, one hundred nineteen thousand, nine hundred seventy-nine".