1130121131 has 2 divisors, whose sum is σ = 1130121132. Its totient is φ = 1130121130.

The previous prime is 1130121119. The next prime is 1130121133. The reversal of 1130121131 is 1311210311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1130121131 - 2¹⁰ = 1130120107 is a prime.

It is a super-2 number, since 2×1130121131² = 2554347541465438322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1130121133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1130121133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565060565 + 565060566.

It is an arithmetic number, because the mean of its divisors is an integer number (565060566).

Almost surely, 2^1130121131 is an apocalyptic number.

1130121131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130121131 is an equidigital number, since it uses as much as digits as its factorization.

1130121131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1130121131 is about 33617.2742946242. The cubic root of 1130121131 is about 1041.6176535815.

Adding to 1130121131 its reverse (1311210311), we get a palindrome (2441331442).

The spelling of 1130121131 in words is "one billion, one hundred thirty million, one hundred twenty-one thousand, one hundred thirty-one".