1121122331 has 8 divisors (see below), whose sum is σ = 1281606144. Its totient is φ = 960719400.

The previous prime is 1121122319. The next prime is 1121122337. The reversal of 1121122331 is 1332211211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121122331 - 2⁶ = 1121122267 is a prime.

It is a super-2 number, since 2×1121122331² = 2513830562133747122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121122337) 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, 13166 + ... + 49148.

It is an arithmetic number, because the mean of its divisors is an integer number (160200768).

Almost surely, 2^1121122331 is an apocalyptic number.

1121122331 is a deficient number, since it is larger than the sum of its proper divisors (160483813).

1121122331 is an equidigital number, since it uses as much as digits as its factorization.

1121122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40441.

The product of its digits is 72, while the sum is 17.

The square root of 1121122331 is about 33483.1648892395. The cubic root of 1121122331 is about 1038.8455912971.

Adding to 1121122331 its reverse (1332211211), we get a palindrome (2453333542).

The spelling of 1121122331 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred thirty-one".