1222021095727 has 2 divisors, whose sum is σ = 1222021095728. Its totient is φ = 1222021095726.

The previous prime is 1222021095721. The next prime is 1222021095733. The reversal of 1222021095727 is 7275901202221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1222021095721) and next prime (1222021095733).

It is a cyclic number.

It is not a de Polignac number, because 1222021095727 - 2³⁹ = 672265281839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222021095727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222021095721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611010547863 + 611010547864.

It is an arithmetic number, because the mean of its divisors is an integer number (611010547864).

Almost surely, 2^{1222021095727} is an apocalyptic number.

1222021095727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222021095727 is an equidigital number, since it uses as much as digits as its factorization.

1222021095727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

Adding to 1222021095727 its reverse (7275901202221), we get a palindrome (8497922297948).

The spelling of 1222021095727 in words is "one trillion, two hundred twenty-two billion, twenty-one million, ninety-five thousand, seven hundred twenty-seven".