111311102029 has 2 divisors, whose sum is σ = 111311102030. Its totient is φ = 111311102028.

The previous prime is 111311102017. The next prime is 111311102047. The reversal of 111311102029 is 920201113111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111154226404 + 156875625 = 333398^2 + 12525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111311102029 is a prime.

It is a super-2 number, since 2×111311102029² (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 (111311102009) 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, 55655551014 + 55655551015.

It is an arithmetic number, because the mean of its divisors is an integer number (55655551015).

Almost surely, 2^111311102029 is an apocalyptic number.

It is an amenable number.

111311102029 is a deficient number, since it is larger than the sum of its proper divisors (1).

111311102029 is an equidigital number, since it uses as much as digits as its factorization.

111311102029 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 22.

The spelling of 111311102029 in words is "one hundred eleven billion, three hundred eleven million, one hundred two thousand, twenty-nine".