11121299 has 4 divisors (see below), whose sum is σ = 12710064. Its totient is φ = 9532536.

The previous prime is 11121223. The next prime is 11121307. The reversal of 11121299 is 99212111.

11121299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794372 + ... + 794385.

It is an arithmetic number, because the mean of its divisors is an integer number (3177516).

Almost surely, 2^11121299 is an apocalyptic number.

11121299 is a deficient number, since it is larger than the sum of its proper divisors (1588765).

11121299 is an equidigital number, since it uses as much as digits as its factorization.

11121299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588764.

The product of its digits is 324, while the sum is 26.

The square root of 11121299 is about 3334.8611665255. The cubic root of 11121299 is about 223.2124969451.

The spelling of 11121299 in words is "eleven million, one hundred twenty-one thousand, two hundred ninety-nine".