1020303002221 has 8 divisors (see below), whose sum is σ = 1020962536160. Its totient is φ = 1019643672528.

The previous prime is 1020303002197. The next prime is 1020303002227. The reversal of 1020303002221 is 1222003030201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020303002221 - 2⁹ = 1020303001709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020303002195 and 1020303002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020303002227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656655 + ... + 10751971.

It is an arithmetic number, because the mean of its divisors is an integer number (127620317020).

Almost surely, 2^{1020303002221} is an apocalyptic number.

It is an amenable number.

1020303002221 is a deficient number, since it is larger than the sum of its proper divisors (659533939).

1020303002221 is an equidigital number, since it uses as much as digits as its factorization.

1020303002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102123.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020303002221 its reverse (1222003030201), we get a palindrome (2242306032422).

The spelling of 1020303002221 in words is "one trillion, twenty billion, three hundred three million, two thousand, two hundred twenty-one".