2303220021021 has 8 divisors (see below), whose sum is σ = 3412177808960. Its totient is φ = 1535480013996.

The previous prime is 2303220021019. The next prime is 2303220021041. The reversal of 2303220021021 is 1201200223032.

2303220021021 is a `hidden beast` number, since 230 + 3 + 2 + 200 + 210 + 21 = 666.

It is not a de Polignac number, because 2303220021021 - 2¹ = 2303220021019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303220020985 and 2303220021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303220021041) 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 7 ways as a sum of consecutive naturals, for example, 42652222585 + ... + 42652222638.

It is an arithmetic number, because the mean of its divisors is an integer number (426522226120).

Almost surely, 2^{2303220021021} is an apocalyptic number.

It is an amenable number.

2303220021021 is a deficient number, since it is larger than the sum of its proper divisors (1108957787939).

2303220021021 is an equidigital number, since it uses as much as digits as its factorization.

2303220021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85304445232 (or 85304445226 counting only the distinct ones).

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

Adding to 2303220021021 its reverse (1201200223032), we get a palindrome (3504420244053).

The spelling of 2303220021021 in words is "two trillion, three hundred three billion, two hundred twenty million, twenty-one thousand, twenty-one".