111213112247 has 2 divisors, whose sum is σ = 111213112248. Its totient is φ = 111213112246.

The previous prime is 111213112229. The next prime is 111213112271. The reversal of 111213112247 is 742211312111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111213112247 - 2³⁰ = 110139370423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111213112147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606556123 + 55606556124.

It is an arithmetic number, because the mean of its divisors is an integer number (55606556124).

Almost surely, 2^111213112247 is an apocalyptic number.

111213112247 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213112247 is an equidigital number, since it uses as much as digits as its factorization.

111213112247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 26.

Adding to 111213112247 its reverse (742211312111), we get a palindrome (853424424358).

The spelling of 111213112247 in words is "one hundred eleven billion, two hundred thirteen million, one hundred twelve thousand, two hundred forty-seven".