11012220202091 has 2 divisors, whose sum is σ = 11012220202092. Its totient is φ = 11012220202090.

The previous prime is 11012220202079. The next prime is 11012220202129. The reversal of 11012220202091 is 19020202221011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11012220202091 - 2²² = 11012216007787 is a prime.

It is a super-2 number, since 2×11012220202091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11012220202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506110101045 + 5506110101046.

It is an arithmetic number, because the mean of its divisors is an integer number (5506110101046).

Almost surely, 2^{11012220202091} is an apocalyptic number.

11012220202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012220202091 is an equidigital number, since it uses as much as digits as its factorization.

11012220202091 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11012220202091 in words is "eleven trillion, twelve billion, two hundred twenty million, two hundred two thousand, ninety-one".