11122331 has 8 divisors (see below), whose sum is σ = 12288000. Its totient is φ = 9982440.

The previous prime is 11122297. The next prime is 11122333. The reversal of 11122331 is 13322111.

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

It is not a de Polignac number, because 11122331 - 2¹⁰ = 11121307 is a prime.

It is a super-2 number, since 2×11122331² = 247412493747122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122333) 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, 5531 + ... + 7268.

It is an arithmetic number, because the mean of its divisors is an integer number (1536000).

Almost surely, 2^11122331 is an apocalyptic number.

11122331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122331 is a deficient number, since it is larger than the sum of its proper divisors (1165669).

11122331 is a wasteful number, since it uses less digits than its factorization.

11122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12889.

The product of its digits is 36, while the sum is 14.

The square root of 11122331 is about 3335.0158920161. The cubic root of 11122331 is about 223.2194010598.

Adding to 11122331 its reverse (13322111), we get a palindrome (24444442).

It can be divided in two parts, 1112 and 2331, that added together give a palindrome (3443).

The spelling of 11122331 in words is "eleven million, one hundred twenty-two thousand, three hundred thirty-one".