11142221271263 has 2 divisors, whose sum is σ = 11142221271264. Its totient is φ = 11142221271262.

The previous prime is 11142221271221. The next prime is 11142221271409. The reversal of 11142221271263 is 36217212224111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11142221271263 - 2²² = 11142217076959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142521271263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571110635631 + 5571110635632.

It is an arithmetic number, because the mean of its divisors is an integer number (5571110635632).

Almost surely, 2^{11142221271263} is an apocalyptic number.

11142221271263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142221271263 is an equidigital number, since it uses as much as digits as its factorization.

11142221271263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

Adding to 11142221271263 its reverse (36217212224111), we get a palindrome (47359433495374).

The spelling of 11142221271263 in words is "eleven trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred seventy-one thousand, two hundred sixty-three".