91210113113311 has 2 divisors, whose sum is σ = 91210113113312. Its totient is φ = 91210113113310.

The previous prime is 91210113113303. The next prime is 91210113113369. The reversal of 91210113113311 is 11331131101219.

It is a weak prime.

It is an emirp because it is prime and its reverse (11331131101219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91210113113311 - 2³ = 91210113113303 is a prime.

It is a super-2 number, since 2×91210113113311² (a number of 29 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 91210113113311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91210113113711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45605056556655 + 45605056556656.

It is an arithmetic number, because the mean of its divisors is an integer number (45605056556656).

Almost surely, 2^{91210113113311} is an apocalyptic number.

91210113113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

91210113113311 is an equidigital number, since it uses as much as digits as its factorization.

91210113113311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 91210113113311 in words is "ninety-one trillion, two hundred ten billion, one hundred thirteen million, one hundred thirteen thousand, three hundred eleven".