1013203332221 has 8 divisors (see below), whose sum is σ = 1073711935224. Its totient is φ = 952795663360.

The previous prime is 1013203332217. The next prime is 1013203332223. The reversal of 1013203332221 is 1222333023101.

It can be written as a sum of positive squares in 4 ways, for example, as 567934060996 + 445269271225 = 753614^2 + 667285^2 .

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 1013203332221 - 2² = 1013203332217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013203332223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25212860 + ... + 25253013.

It is an arithmetic number, because the mean of its divisors is an integer number (134213991903).

Almost surely, 2^{1013203332221} is an apocalyptic number.

It is an amenable number.

1013203332221 is a deficient number, since it is larger than the sum of its proper divisors (60508603003).

1013203332221 is a wasteful number, since it uses less digits than its factorization.

1013203332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50467071.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1013203332221 its reverse (1222333023101), we get a palindrome (2235536355322).

The spelling of 1013203332221 in words is "one trillion, thirteen billion, two hundred three million, three hundred thirty-two thousand, two hundred twenty-one".