11100231010091 has 4 divisors (see below), whose sum is σ = 11101918751352. Its totient is φ = 11098543268832.

The previous prime is 11100231010081. The next prime is 11100231010097. The reversal of 11100231010091 is 19001013200111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11100231010091 - 2²² = 11100226815787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100231010097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843860765 + ... + 843873918.

It is an arithmetic number, because the mean of its divisors is an integer number (2775479687838).

Almost surely, 2^{11100231010091} is an apocalyptic number.

11100231010091 is a deficient number, since it is larger than the sum of its proper divisors (1687741261).

11100231010091 is an equidigital number, since it uses as much as digits as its factorization.

11100231010091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687741260.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 11100231010091 in words is "eleven trillion, one hundred billion, two hundred thirty-one million, ten thousand, ninety-one".