2022400123321 has 2 divisors, whose sum is σ = 2022400123322. Its totient is φ = 2022400123320.

The previous prime is 2022400123253. The next prime is 2022400123333. The reversal of 2022400123321 is 1233210042202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230191539600 + 792208583721 = 1109140^2 + 890061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022400123321 - 2²¹ = 2022398026169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022400123292 and 2022400123301.

It is not a weakly prime, because it can be changed into another prime (2022400123391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011200061660 + 1011200061661.

It is an arithmetic number, because the mean of its divisors is an integer number (1011200061661).

Almost surely, 2^{2022400123321} is an apocalyptic number.

It is an amenable number.

2022400123321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022400123321 is an equidigital number, since it uses as much as digits as its factorization.

2022400123321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2022400123321 its reverse (1233210042202), we get a palindrome (3255610165523).

The spelling of 2022400123321 in words is "two trillion, twenty-two billion, four hundred million, one hundred twenty-three thousand, three hundred twenty-one".