1322222121001 has 2 divisors, whose sum is σ = 1322222121002. Its totient is φ = 1322222121000.

The previous prime is 1322222120987. The next prime is 1322222121053. The reversal of 1322222121001 is 1001212222231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1158423842601 + 163798278400 = 1076301^2 + 404720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322222121001 - 2⁹ = 1322222120489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322222121001.

It is not a weakly prime, because it can be changed into another prime (1322222124001) 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 as a sum of consecutive naturals, namely, 661111060500 + 661111060501.

It is an arithmetic number, because the mean of its divisors is an integer number (661111060501).

Almost surely, 2^{1322222121001} is an apocalyptic number.

It is an amenable number.

1322222121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322222121001 is an equidigital number, since it uses as much as digits as its factorization.

1322222121001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1322222121001 its reverse (1001212222231), we get a palindrome (2323434343232).

The spelling of 1322222121001 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, one".