1100201311197 has 10 divisors (see below), whose sum is σ = 1643510600798. Its totient is φ = 733467540744.

The previous prime is 1100201311171. The next prime is 1100201311259. The reversal of 1100201311197 is 7911131020011.

It can be written as a sum of positive squares in only one way, i.e., 1004827812921 + 95373498276 = 1002411^2 + 308826^2 .

It is not a de Polignac number, because 1100201311197 - 2²⁶ = 1100134202333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100201311197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201311147) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6791366038 + ... + 6791366199.

Almost surely, 2^{1100201311197} is an apocalyptic number.

It is an amenable number.

1100201311197 is a deficient number, since it is larger than the sum of its proper divisors (543309289601).

1100201311197 is an equidigital number, since it uses as much as digits as its factorization.

1100201311197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582732249 (or 13582732240 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 27.

The spelling of 1100201311197 in words is "one trillion, one hundred billion, two hundred one million, three hundred eleven thousand, one hundred ninety-seven".