331121030011 has 2 divisors, whose sum is σ = 331121030012. Its totient is φ = 331121030010.

The previous prime is 331121029907. The next prime is 331121030057. The reversal of 331121030011 is 110030121133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331121030011 is a prime.

It is a super-2 number, since 2×331121030011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331121330011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560515005 + 165560515006.

It is an arithmetic number, because the mean of its divisors is an integer number (165560515006).

Almost surely, 2^331121030011 is an apocalyptic number.

331121030011 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121030011 is an equidigital number, since it uses as much as digits as its factorization.

331121030011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 331121030011 its reverse (110030121133), we get a palindrome (441151151144).

The spelling of 331121030011 in words is "three hundred thirty-one billion, one hundred twenty-one million, thirty thousand, eleven".