20222121342373 has 2 divisors, whose sum is σ = 20222121342374. Its totient is φ = 20222121342372.

The previous prime is 20222121342329. The next prime is 20222121342389. The reversal of 20222121342373 is 37324312122202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19190550012804 + 1031571329569 = 4380702^2 + 1015663^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222121342373 - 2²⁹ = 20221584471461 is a prime.

It is a super-2 number, since 2×20222121342373² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222121342323) 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, 10111060671186 + 10111060671187.

It is an arithmetic number, because the mean of its divisors is an integer number (10111060671187).

Almost surely, 2^{20222121342373} is an apocalyptic number.

It is an amenable number.

20222121342373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222121342373 is an equidigital number, since it uses as much as digits as its factorization.

20222121342373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 20222121342373 its reverse (37324312122202), we get a palindrome (57546433464575).

The spelling of 20222121342373 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred forty-two thousand, three hundred seventy-three".