12202081091 has 2 divisors, whose sum is σ = 12202081092. Its totient is φ = 12202081090.

The previous prime is 12202081069. The next prime is 12202081103. The reversal of 12202081091 is 19018020221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202081091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202081091.

It is not a weakly prime, because it can be changed into another prime (12202081691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101040545 + 6101040546.

It is an arithmetic number, because the mean of its divisors is an integer number (6101040546).

Almost surely, 2^12202081091 is an apocalyptic number.

12202081091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202081091 is an equidigital number, since it uses as much as digits as its factorization.

12202081091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12202081091 in words is "twelve billion, two hundred two million, eighty-one thousand, ninety-one".