222220132091 has 2 divisors, whose sum is σ = 222220132092. Its totient is φ = 222220132090.

The previous prime is 222220132009. The next prime is 222220132097. The reversal of 222220132091 is 190231022222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222220132091 - 2³⁴ = 205040262907 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222220132091.

It is not a weakly prime, because it can be changed into another prime (222220132097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110066045 + 111110066046.

It is an arithmetic number, because the mean of its divisors is an integer number (111110066046).

Almost surely, 2^222220132091 is an apocalyptic number.

222220132091 is a deficient number, since it is larger than the sum of its proper divisors (1).

222220132091 is an equidigital number, since it uses as much as digits as its factorization.

222220132091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 222220132091 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred thirty-two thousand, ninety-one".