1222221013073 has 2 divisors, whose sum is σ = 1222221013074. Its totient is φ = 1222221013072.

The previous prime is 1222221012973. The next prime is 1222221013093. The reversal of 1222221013073 is 3703101222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016120448784 + 206100564289 = 1008028^2 + 453983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222221013073 - 2³⁰ = 1221147271249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222221013093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611110506536 + 611110506537.

It is an arithmetic number, because the mean of its divisors is an integer number (611110506537).

Almost surely, 2^{1222221013073} is an apocalyptic number.

It is an amenable number.

1222221013073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222221013073 is an equidigital number, since it uses as much as digits as its factorization.

1222221013073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 1222221013073 its reverse (3703101222221), we get a palindrome (4925322235294).

The spelling of 1222221013073 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, thirteen thousand, seventy-three".