222002121191 has 2 divisors, whose sum is σ = 222002121192. Its totient is φ = 222002121190.

The previous prime is 222002121139. The next prime is 222002121227. The reversal of 222002121191 is 191121200222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002121191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222002121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001060595 + 111001060596.

It is an arithmetic number, because the mean of its divisors is an integer number (111001060596).

Almost surely, 2^222002121191 is an apocalyptic number.

222002121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002121191 is an equidigital number, since it uses as much as digits as its factorization.

222002121191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 222002121191 in words is "two hundred twenty-two billion, two million, one hundred twenty-one thousand, one hundred ninety-one".