1122001011091 has 2 divisors, whose sum is σ = 1122001011092. Its totient is φ = 1122001011090.

The previous prime is 1122001011059. The next prime is 1122001011097. The reversal of 1122001011091 is 1901101002211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122001011091 - 2⁵ = 1122001011059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122001011097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561000505545 + 561000505546.

It is an arithmetic number, because the mean of its divisors is an integer number (561000505546).

Almost surely, 2^{1122001011091} is an apocalyptic number.

1122001011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122001011091 is an equidigital number, since it uses as much as digits as its factorization.

1122001011091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1122001011091 in words is "one trillion, one hundred twenty-two billion, one million, eleven thousand, ninety-one".