111131030999993 has 2 divisors, whose sum is σ = 111131030999994. Its totient is φ = 111131030999992.

The previous prime is 111131030999881. The next prime is 111131031000037. The reversal of 111131030999993 is 399999030131111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110317378291264 + 813652708729 = 10503208^2 + 902027^2 .

It is an emirp because it is prime and its reverse (399999030131111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111131030999993 - 2¹⁶ = 111131030934457 is a prime.

It is a super-2 number, since 2×111131030999993² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111131080999993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565515499996 + 55565515499997.

It is an arithmetic number, because the mean of its divisors is an integer number (55565515499997).

Almost surely, 2^{111131030999993} is an apocalyptic number.

It is an amenable number.

111131030999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111131030999993 is an equidigital number, since it uses as much as digits as its factorization.

111131030999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1594323, while the sum is 59.

The spelling of 111131030999993 in words is "one hundred eleven trillion, one hundred thirty-one billion, thirty million, nine hundred ninety-nine thousand, nine hundred ninety-three".