1422350213021 has 2 divisors, whose sum is σ = 1422350213022. Its totient is φ = 1422350213020.

The previous prime is 1422350213017. The next prime is 1422350213023. The reversal of 1422350213021 is 1203120532241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1356409622500 + 65940590521 = 1164650^2 + 256789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422350213021 - 2² = 1422350213017 is a prime.

Together with 1422350213023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422350213023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711175106510 + 711175106511.

It is an arithmetic number, because the mean of its divisors is an integer number (711175106511).

Almost surely, 2^{1422350213021} is an apocalyptic number.

It is an amenable number.

1422350213021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422350213021 is an equidigital number, since it uses as much as digits as its factorization.

1422350213021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1422350213021 its reverse (1203120532241), we get a palindrome (2625470745262).

The spelling of 1422350213021 in words is "one trillion, four hundred twenty-two billion, three hundred fifty million, two hundred thirteen thousand, twenty-one".