11121742299 has 16 divisors (see below), whose sum is σ = 15523195392. Its totient is φ = 7069453248.

The previous prime is 11121742279. The next prime is 11121742309. The reversal of 11121742299 is 99224712111.

It is not a de Polignac number, because 11121742299 - 2¹⁵ = 11121709531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121742279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235887 + ... + 279080.

It is an arithmetic number, because the mean of its divisors is an integer number (970199712).

Almost surely, 2^11121742299 is an apocalyptic number.

11121742299 is a deficient number, since it is larger than the sum of its proper divisors (4401453093).

11121742299 is a wasteful number, since it uses less digits than its factorization.

11121742299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515306.

The product of its digits is 18144, while the sum is 39.

The spelling of 11121742299 in words is "eleven billion, one hundred twenty-one million, seven hundred forty-two thousand, two hundred ninety-nine".