11012101022191 has 2 divisors, whose sum is σ = 11012101022192. Its totient is φ = 11012101022190.

The previous prime is 11012101022177. The next prime is 11012101022257. The reversal of 11012101022191 is 19122010121011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11012101022191 - 2⁷ = 11012101022063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012101022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506050511095 + 5506050511096.

It is an arithmetic number, because the mean of its divisors is an integer number (5506050511096).

Almost surely, 2^{11012101022191} is an apocalyptic number.

11012101022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012101022191 is an equidigital number, since it uses as much as digits as its factorization.

11012101022191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11012101022191 in words is "eleven trillion, twelve billion, one hundred one million, twenty-two thousand, one hundred ninety-one".