1303110221020 has 24 divisors (see below), whose sum is σ = 2741274177264. Its totient is φ = 520340714496.

The previous prime is 1303110221009. The next prime is 1303110221041. The reversal of 1303110221020 is 201220113031.

It is a junction number, because it is equal to n+sod(n) for n = 1303110220985 and 1303110221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56449042 + ... + 56472121.

It is an arithmetic number, because the mean of its divisors is an integer number (114219757386).

Almost surely, 2^{1303110221020} is an apocalyptic number.

1303110221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303110221020 is an abundant number, since it is smaller than the sum of its proper divisors (1438163956244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303110221020 is a wasteful number, since it uses less digits than its factorization.

1303110221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112921749 (or 112921747 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1303110221020 its reverse (201220113031), we get a palindrome (1504330334051).

The spelling of 1303110221020 in words is "one trillion, three hundred three billion, one hundred ten million, two hundred twenty-one thousand, twenty".