122313022021 has 4 divisors (see below), whose sum is σ = 123246709344. Its totient is φ = 121379334700.

The previous prime is 122313022019. The next prime is 122313022043. The reversal of 122313022021 is 120220313221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120220313221 = 103 ⋅1167187507.

It is a cyclic number.

It is not a de Polignac number, because 122313022021 - 2¹ = 122313022019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122313022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466843465 + ... + 466843726.

It is an arithmetic number, because the mean of its divisors is an integer number (30811677336).

Almost surely, 2^122313022021 is an apocalyptic number.

It is an amenable number.

122313022021 is a deficient number, since it is larger than the sum of its proper divisors (933687323).

122313022021 is an equidigital number, since it uses as much as digits as its factorization.

122313022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933687322.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122313022021 its reverse (120220313221), we get a palindrome (242533335242).

The spelling of 122313022021 in words is "one hundred twenty-two billion, three hundred thirteen million, twenty-two thousand, twenty-one".