12211120110247 has 2 divisors, whose sum is σ = 12211120110248. Its totient is φ = 12211120110246.

The previous prime is 12211120110239. The next prime is 12211120110257. The reversal of 12211120110247 is 74201102111221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211120110247 - 2³ = 12211120110239 is a prime.

It is a super-2 number, since 2×12211120110247² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211120110257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105560055123 + 6105560055124.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560055124).

Almost surely, 2^{12211120110247} is an apocalyptic number.

12211120110247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211120110247 is an equidigital number, since it uses as much as digits as its factorization.

12211120110247 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 25.

Adding to 12211120110247 its reverse (74201102111221), we get a palindrome (86412222221468).

The spelling of 12211120110247 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, one hundred ten thousand, two hundred forty-seven".