22111120247 has 2 divisors, whose sum is σ = 22111120248. Its totient is φ = 22111120246.

The previous prime is 22111120153. The next prime is 22111120253. The reversal of 22111120247 is 74202111122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111120247 - 2⁸ = 22111119991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055560123 + 11055560124.

It is an arithmetic number, because the mean of its divisors is an integer number (11055560124).

Almost surely, 2^22111120247 is an apocalyptic number.

22111120247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111120247 is an equidigital number, since it uses as much as digits as its factorization.

22111120247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 22111120247 its reverse (74202111122), we get a palindrome (96313231369).

The spelling of 22111120247 in words is "twenty-two billion, one hundred eleven million, one hundred twenty thousand, two hundred forty-seven".