11010211101091 has 2 divisors, whose sum is σ = 11010211101092. Its totient is φ = 11010211101090.

The previous prime is 11010211101089. The next prime is 11010211101101. The reversal of 11010211101091 is 19010111201011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11010211101091 - 2¹ = 11010211101089 is a prime.

Together with 11010211101089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11010211101031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505105550545 + 5505105550546.

It is an arithmetic number, because the mean of its divisors is an integer number (5505105550546).

Almost surely, 2^{11010211101091} is an apocalyptic number.

11010211101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010211101091 is an equidigital number, since it uses as much as digits as its factorization.

11010211101091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 11010211101091 in words is "eleven trillion, ten billion, two hundred eleven million, one hundred one thousand, ninety-one".