111100110001031 has 2 divisors, whose sum is σ = 111100110001032. Its totient is φ = 111100110001030.

The previous prime is 111100110000977. The next prime is 111100110001063. The reversal of 111100110001031 is 130100011001111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100110001031 is a prime.

It is a super-2 number, since 2×111100110001031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100110001081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550055000515 + 55550055000516.

It is an arithmetic number, because the mean of its divisors is an integer number (55550055000516).

Almost surely, 2^{111100110001031} is an apocalyptic number.

111100110001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100110001031 is an equidigital number, since it uses as much as digits as its factorization.

111100110001031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 111100110001031 its reverse (130100011001111), we get a palindrome (241200121002142).

The spelling of 111100110001031 in words is "one hundred eleven trillion, one hundred billion, one hundred ten million, one thousand, thirty-one".