1030303102221 has 12 divisors (see below), whose sum is σ = 1488254027260. Its totient is φ = 686850995520.

The previous prime is 1030303102189. The next prime is 1030303102261. The reversal of 1030303102221 is 1222013030301.

1030303102221 is a `hidden beast` number, since 10 + 30 + 303 + 102 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 516945182121 + 513357920100 = 718989^2 + 716490^2 .

It is not a de Polignac number, because 1030303102221 - 2⁵ = 1030303102189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030303102194 and 1030303102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030303102261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1105486 + ... + 1811823.

Almost surely, 2^{1030303102221} is an apocalyptic number.

It is an amenable number.

1030303102221 is a deficient number, since it is larger than the sum of its proper divisors (457950925039).

1030303102221 is a wasteful number, since it uses less digits than its factorization.

1030303102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956556 (or 2956553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1030303102221 its reverse (1222013030301), we get a palindrome (2252316132522).

The spelling of 1030303102221 in words is "one trillion, thirty billion, three hundred three million, one hundred two thousand, two hundred twenty-one".