11121110032031 has 2 divisors, whose sum is σ = 11121110032032. Its totient is φ = 11121110032030.

The previous prime is 11121110031947. The next prime is 11121110032049. The reversal of 11121110032031 is 13023001112111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121110032031 is a prime.

It is a super-2 number, since 2×11121110032031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121110032231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560555016015 + 5560555016016.

It is an arithmetic number, because the mean of its divisors is an integer number (5560555016016).

Almost surely, 2^{11121110032031} is an apocalyptic number.

11121110032031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121110032031 is an equidigital number, since it uses as much as digits as its factorization.

11121110032031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11121110032031 its reverse (13023001112111), we get a palindrome (24144111144142).

The spelling of 11121110032031 in words is "eleven trillion, one hundred twenty-one billion, one hundred ten million, thirty-two thousand, thirty-one".