1303220220221 has 8 divisors (see below), whose sum is σ = 1328159547264. Its totient is φ = 1278442313280.

The previous prime is 1303220220217. The next prime is 1303220220229. The reversal of 1303220220221 is 1220220223031.

It is a happy number.

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 1303220220221 - 2² = 1303220220217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303220220193 and 1303220220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303220220229) 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, 40338725 + ... + 40371018.

It is an arithmetic number, because the mean of its divisors is an integer number (166019943408).

Almost surely, 2^{1303220220221} is an apocalyptic number.

It is an amenable number.

1303220220221 is a deficient number, since it is larger than the sum of its proper divisors (24939327043).

1303220220221 is an equidigital number, since it uses as much as digits as its factorization.

1303220220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80710051.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1303220220221 its reverse (1220220223031), we get a palindrome (2523440443252).

The spelling of 1303220220221 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-one".