1303022002221 has 12 divisors (see below), whose sum is σ = 1883460015580. Its totient is φ = 868073431680.

The previous prime is 1303022002211. The next prime is 1303022002339. The reversal of 1303022002221 is 1222002203031.

It can be written as a sum of positive squares in 2 ways, for example, as 546696093321 + 756325908900 = 739389^2 + 869670^2 .

It is not a de Polignac number, because 1303022002221 - 2²¹ = 1303019905069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303022002194 and 1303022002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303022002211) 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 in 11 ways as a sum of consecutive naturals, for example, 50645020 + ... + 50670741.

Almost surely, 2^{1303022002221} is an apocalyptic number.

It is an amenable number.

1303022002221 is a deficient number, since it is larger than the sum of its proper divisors (580438013359).

1303022002221 is a wasteful number, since it uses less digits than its factorization.

1303022002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101317196 (or 101317193 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1303022002221 its reverse (1222002203031), we get a palindrome (2525024205252).

The spelling of 1303022002221 in words is "one trillion, three hundred three billion, twenty-two million, two thousand, two hundred twenty-one".