1030023221221 has 2 divisors, whose sum is σ = 1030023221222. Its totient is φ = 1030023221220.

The previous prime is 1030023221167. The next prime is 1030023221273. The reversal of 1030023221221 is 1221223200301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961713648900 + 68309572321 = 980670^2 + 261361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030023221221 - 2⁷ = 1030023221093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030023221281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515011610610 + 515011610611.

It is an arithmetic number, because the mean of its divisors is an integer number (515011610611).

Almost surely, 2^{1030023221221} is an apocalyptic number.

It is an amenable number.

1030023221221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030023221221 is an equidigital number, since it uses as much as digits as its factorization.

1030023221221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1030023221221 its reverse (1221223200301), we get a palindrome (2251246421522).

The spelling of 1030023221221 in words is "one trillion, thirty billion, twenty-three million, two hundred twenty-one thousand, two hundred twenty-one".