1100111022191 has 8 divisors (see below), whose sum is σ = 1128818136768. Its totient is φ = 1071493200000.

The previous prime is 1100111022163. The next prime is 1100111022209. The reversal of 1100111022191 is 1912201110011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100111022191 is a prime.

It is a super-2 number, since 2×1100111022191² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111022991) 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, 22298135 + ... + 22347416.

It is an arithmetic number, because the mean of its divisors is an integer number (141102267096).

Almost surely, 2^{1100111022191} is an apocalyptic number.

1100111022191 is a deficient number, since it is larger than the sum of its proper divisors (28707114577).

1100111022191 is an equidigital number, since it uses as much as digits as its factorization.

1100111022191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44646193.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1100111022191 in words is "one trillion, one hundred billion, one hundred eleven million, twenty-two thousand, one hundred ninety-one".