111210021112247 has 2 divisors, whose sum is σ = 111210021112248. Its totient is φ = 111210021112246.

The previous prime is 111210021112219. The next prime is 111210021112361. The reversal of 111210021112247 is 742211120012111.

It is a weak prime.

It is an emirp because it is prime and its reverse (742211120012111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111210021112247 - 2¹⁶ = 111210021046711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111210021112217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605010556123 + 55605010556124.

It is an arithmetic number, because the mean of its divisors is an integer number (55605010556124).

Almost surely, 2^{111210021112247} is an apocalyptic number.

111210021112247 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210021112247 is an equidigital number, since it uses as much as digits as its factorization.

111210021112247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 111210021112247 its reverse (742211120012111), we get a palindrome (853421141124358).

The spelling of 111210021112247 in words is "one hundred eleven trillion, two hundred ten billion, twenty-one million, one hundred twelve thousand, two hundred forty-seven".