2113223011091 has 2 divisors, whose sum is σ = 2113223011092. Its totient is φ = 2113223011090.

The previous prime is 2113223011057. The next prime is 2113223011147. The reversal of 2113223011091 is 1901103223112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113223011091 - 2²⁶ = 2113155902227 is a prime.

It is a super-2 number, since 2×2113223011091² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113223011091.

It is not a weakly prime, because it can be changed into another prime (2113223013091) 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, 1056611505545 + 1056611505546.

It is an arithmetic number, because the mean of its divisors is an integer number (1056611505546).

Almost surely, 2^{2113223011091} is an apocalyptic number.

2113223011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113223011091 is an equidigital number, since it uses as much as digits as its factorization.

2113223011091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 2113223011091 in words is "two trillion, one hundred thirteen billion, two hundred twenty-three million, eleven thousand, ninety-one".