422120121021223 has 4 divisors (see below), whose sum is σ = 422120173961968. Its totient is φ = 422120068080480.

The previous prime is 422120121021107. The next prime is 422120121021289. The reversal of 422120121021223 is 322120121021224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422120121021223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422120121021623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11800011 + ... + 31360492.

It is an arithmetic number, because the mean of its divisors is an integer number (105530043490492).

Almost surely, 2^{422120121021223} is an apocalyptic number.

422120121021223 is a deficient number, since it is larger than the sum of its proper divisors (52940745).

422120121021223 is an equidigital number, since it uses as much as digits as its factorization.

422120121021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52940744.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 422120121021223 its reverse (322120121021224), we get a palindrome (744240242042447).

Subtracting from 422120121021223 its reverse (322120121021224), we obtain a palindrome (99999999999999).

The spelling of 422120121021223 in words is "four hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-three".