111012212039 has 2 divisors, whose sum is σ = 111012212040. Its totient is φ = 111012212038.

The previous prime is 111012211991. The next prime is 111012212041. The reversal of 111012212039 is 930212210111.

It is a strong prime.

It is an emirp because it is prime and its reverse (930212210111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012212039 is a prime.

It is a super-2 number, since 2×111012212039² (a number of 23 digits) contains 22 as substring.

Together with 111012212041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012217039) 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, 55506106019 + 55506106020.

It is an arithmetic number, because the mean of its divisors is an integer number (55506106020).

Almost surely, 2^111012212039 is an apocalyptic number.

111012212039 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012212039 is an equidigital number, since it uses as much as digits as its factorization.

111012212039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 111012212039 in words is "one hundred eleven billion, twelve million, two hundred twelve thousand, thirty-nine".