11112101397 has 20 divisors (see below), whose sum is σ = 16635467200. Its totient is φ = 7392042504.

The previous prime is 11112101393. The next prime is 11112101401. The reversal of 11112101397 is 79310121111.

It is an interprime number because it is at equal distance from previous prime (11112101393) and next prime (11112101401).

It is not a de Polignac number, because 11112101397 - 2² = 11112101393 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 11112101397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112101393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110647 + ... + 185652.

It is an arithmetic number, because the mean of its divisors is an integer number (831773360).

Almost surely, 2^11112101397 is an apocalyptic number.

It is an amenable number.

11112101397 is a deficient number, since it is larger than the sum of its proper divisors (5523365803).

11112101397 is an equidigital number, since it uses as much as digits as its factorization.

11112101397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296774 (or 296765 counting only the distinct ones).

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

The spelling of 11112101397 in words is "eleven billion, one hundred twelve million, one hundred one thousand, three hundred ninety-seven".