111112021211047 has 2 divisors, whose sum is σ = 111112021211048. Its totient is φ = 111112021211046.

The previous prime is 111112021211021. The next prime is 111112021211077. The reversal of 111112021211047 is 740112120211111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111112021211047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111112021211077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556010605523 + 55556010605524.

It is an arithmetic number, because the mean of its divisors is an integer number (55556010605524).

Almost surely, 2^{111112021211047} is an apocalyptic number.

111112021211047 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112021211047 is an equidigital number, since it uses as much as digits as its factorization.

111112021211047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 111112021211047 its reverse (740112120211111), we get a palindrome (851224141422158).

The spelling of 111112021211047 in words is "one hundred eleven trillion, one hundred twelve billion, twenty-one million, two hundred eleven thousand, forty-seven".