1121166331 has 2 divisors, whose sum is σ = 1121166332. Its totient is φ = 1121166330.

The previous prime is 1121166289. The next prime is 1121166353. The reversal of 1121166331 is 1336611211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121166331 - 2¹¹ = 1121164283 is a prime.

It is a super-2 number, since 2×1121166331² = 2514027883536003122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121166296 and 1121166305.

It is not a weakly prime, because it can be changed into another prime (1121166931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560583165 + 560583166.

It is an arithmetic number, because the mean of its divisors is an integer number (560583166).

Almost surely, 2^1121166331 is an apocalyptic number.

1121166331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121166331 is an equidigital number, since it uses as much as digits as its factorization.

1121166331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 1121166331 is about 33483.8219294035. The cubic root of 1121166331 is about 1038.8591814311.

Adding to 1121166331 its reverse (1336611211), we get a palindrome (2457777542).

The spelling of 1121166331 in words is "one billion, one hundred twenty-one million, one hundred sixty-six thousand, three hundred thirty-one".