1222203120401 has 2 divisors, whose sum is σ = 1222203120402. Its totient is φ = 1222203120400.

The previous prime is 1222203120389. The next prime is 1222203120409. The reversal of 1222203120401 is 1040213022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218818208001 + 3384912400 = 1104001^2 + 58180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222203120401 - 2⁶ = 1222203120337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222203120409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611101560200 + 611101560201.

It is an arithmetic number, because the mean of its divisors is an integer number (611101560201).

Almost surely, 2^{1222203120401} is an apocalyptic number.

It is an amenable number.

1222203120401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222203120401 is an equidigital number, since it uses as much as digits as its factorization.

1222203120401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1222203120401 its reverse (1040213022221), we get a palindrome (2262416142622).

The spelling of 1222203120401 in words is "one trillion, two hundred twenty-two billion, two hundred three million, one hundred twenty thousand, four hundred one".