12202221091 has 2 divisors, whose sum is σ = 12202221092. Its totient is φ = 12202221090.

The previous prime is 12202221067. The next prime is 12202221127. The reversal of 12202221091 is 19012220221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12202221091 - 2¹⁹ = 12201696803 is a prime.

It is not a weakly prime, because it can be changed into another prime (12202221011) 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, 6101110545 + 6101110546.

It is an arithmetic number, because the mean of its divisors is an integer number (6101110546).

Almost surely, 2^12202221091 is an apocalyptic number.

12202221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202221091 is an equidigital number, since it uses as much as digits as its factorization.

12202221091 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 22.

The spelling of 12202221091 in words is "twelve billion, two hundred two million, two hundred twenty-one thousand, ninety-one".