11101122202091 has 2 divisors, whose sum is σ = 11101122202092. Its totient is φ = 11101122202090.

The previous prime is 11101122202061. The next prime is 11101122202147. The reversal of 11101122202091 is 19020222110111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101122202091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101122202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550561101045 + 5550561101046.

It is an arithmetic number, because the mean of its divisors is an integer number (5550561101046).

Almost surely, 2^{11101122202091} is an apocalyptic number.

11101122202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101122202091 is an equidigital number, since it uses as much as digits as its factorization.

11101122202091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11101122202091 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, two hundred two thousand, ninety-one".