110101010111091 has 12 divisors (see below), whose sum is σ = 159172963372800. Its totient is φ = 73336902181200.

The previous prime is 110101010111089. The next prime is 110101010111159. The reversal of 110101010111091 is 190111010101011.

It is not a de Polignac number, because 110101010111091 - 2¹ = 110101010111089 is a prime.

It is a super-2 number, since 2×110101010111091² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110101010111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5314257916 + ... + 5314278633.

It is an arithmetic number, because the mean of its divisors is an integer number (13264413614400).

Almost surely, 2^{110101010111091} is an apocalyptic number.

110101010111091 is a deficient number, since it is larger than the sum of its proper divisors (49071953261709).

110101010111091 is a wasteful number, since it uses less digits than its factorization.

110101010111091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628537706 (or 10628537703 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

The spelling of 110101010111091 in words is "one hundred ten trillion, one hundred one billion, ten million, one hundred eleven thousand, ninety-one".