222321124421401 has 2 divisors, whose sum is σ = 222321124421402. Its totient is φ = 222321124421400.

The previous prime is 222321124421381. The next prime is 222321124421413. The reversal of 222321124421401 is 104124421123222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120131244993600 + 102189879427801 = 10960440^2 + 10108901^2 .

It is a cyclic number.

It is not a de Polignac number, because 222321124421401 - 2⁷ = 222321124421273 is a prime.

It is not a weakly prime, because it can be changed into another prime (222321124421101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160562210700 + 111160562210701.

It is an arithmetic number, because the mean of its divisors is an integer number (111160562210701).

Almost surely, 2^{222321124421401} is an apocalyptic number.

It is an amenable number.

222321124421401 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321124421401 is an equidigital number, since it uses as much as digits as its factorization.

222321124421401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 222321124421401 its reverse (104124421123222), we get a palindrome (326445545544623).

The spelling of 222321124421401 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, one hundred twenty-four million, four hundred twenty-one thousand, four hundred one".