221200021199 has 2 divisors, whose sum is σ = 221200021200. Its totient is φ = 221200021198.

The previous prime is 221200021193. The next prime is 221200021213. The reversal of 221200021199 is 991120002122.

221200021199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221200021199 - 2⁴ = 221200021183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221200021193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600010599 + 110600010600.

It is an arithmetic number, because the mean of its divisors is an integer number (110600010600).

Almost surely, 2^221200021199 is an apocalyptic number.

221200021199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200021199 is an equidigital number, since it uses as much as digits as its factorization.

221200021199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 221200021199 in words is "two hundred twenty-one billion, two hundred million, twenty-one thousand, one hundred ninety-nine".