1121101313231 has 2 divisors, whose sum is σ = 1121101313232. Its totient is φ = 1121101313230.

The previous prime is 1121101313197. The next prime is 1121101313237. The reversal of 1121101313231 is 1323131011211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121101313231 - 2²² = 1121097118927 is a prime.

It is a super-2 number, since 2×1121101313231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121101313237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560550656615 + 560550656616.

It is an arithmetic number, because the mean of its divisors is an integer number (560550656616).

Almost surely, 2^{1121101313231} is an apocalyptic number.

1121101313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121101313231 is an equidigital number, since it uses as much as digits as its factorization.

1121101313231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1121101313231 its reverse (1323131011211), we get a palindrome (2444232324442).

The spelling of 1121101313231 in words is "one trillion, one hundred twenty-one billion, one hundred one million, three hundred thirteen thousand, two hundred thirty-one".