1210222221127 has 2 divisors, whose sum is σ = 1210222221128. Its totient is φ = 1210222221126.

The previous prime is 1210222221077. The next prime is 1210222221151. The reversal of 1210222221127 is 7211222220121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210222221127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210223221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605111110563 + 605111110564.

It is an arithmetic number, because the mean of its divisors is an integer number (605111110564).

Almost surely, 2^{1210222221127} is an apocalyptic number.

1210222221127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210222221127 is an equidigital number, since it uses as much as digits as its factorization.

1210222221127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 1210222221127 its reverse (7211222220121), we get a palindrome (8421444441248).

The spelling of 1210222221127 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-seven".