12221100263 has 2 divisors, whose sum is σ = 12221100264. Its totient is φ = 12221100262.

The previous prime is 12221100217. The next prime is 12221100299. The reversal of 12221100263 is 36200112221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221100263 - 2⁸ = 12221100007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221100863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110550131 + 6110550132.

It is an arithmetic number, because the mean of its divisors is an integer number (6110550132).

Almost surely, 2^12221100263 is an apocalyptic number.

12221100263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221100263 is an equidigital number, since it uses as much as digits as its factorization.

12221100263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12221100263 its reverse (36200112221), we get a palindrome (48421212484).

The spelling of 12221100263 in words is "twelve billion, two hundred twenty-one million, one hundred thousand, two hundred sixty-three".