111133012031 has 2 divisors, whose sum is σ = 111133012032. Its totient is φ = 111133012030.

The previous prime is 111133011959. The next prime is 111133012073. The reversal of 111133012031 is 130210331111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111133012031 - 2¹⁴ = 111132995647 is a prime.

It is a super-2 number, since 2×111133012031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111133012631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566506015 + 55566506016.

It is an arithmetic number, because the mean of its divisors is an integer number (55566506016).

Almost surely, 2^111133012031 is an apocalyptic number.

111133012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

111133012031 is an equidigital number, since it uses as much as digits as its factorization.

111133012031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111133012031 its reverse (130210331111), we get a palindrome (241343343142).

The spelling of 111133012031 in words is "one hundred eleven billion, one hundred thirty-three million, twelve thousand, thirty-one".