11100100221091 has 8 divisors (see below), whose sum is σ = 12691924866144. Its totient is φ = 9509799586560.

The previous prime is 11100100221083. The next prime is 11100100221113. The reversal of 11100100221091 is 19012200100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11100100221091 - 2³ = 11100100221083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100100221061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380987020 + ... + 381016153.

It is an arithmetic number, because the mean of its divisors is an integer number (1586490608268).

Almost surely, 2^{11100100221091} is an apocalyptic number.

11100100221091 is a deficient number, since it is larger than the sum of its proper divisors (1591824645053).

11100100221091 is an equidigital number, since it uses as much as digits as its factorization.

11100100221091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762005261.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11100100221091 in words is "eleven trillion, one hundred billion, one hundred million, two hundred twenty-one thousand, ninety-one".