1113303031221 has 8 divisors (see below), whose sum is σ = 1484453918080. Its totient is φ = 742177082592.

The previous prime is 1113303031219. The next prime is 1113303031223. The reversal of 1113303031221 is 1221303033111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1113303031219) and next prime (1113303031223).

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

It is not a de Polignac number, because 1113303031221 - 2¹ = 1113303031219 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 (1113303031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130141 + ... + 6309138.

It is an arithmetic number, because the mean of its divisors is an integer number (185556739760).

Almost surely, 2^{1113303031221} is an apocalyptic number.

It is an amenable number.

1113303031221 is a deficient number, since it is larger than the sum of its proper divisors (371150886859).

1113303031221 is a wasteful number, since it uses less digits than its factorization.

1113303031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469115.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1113303031221 its reverse (1221303033111), we get a palindrome (2334606064332).

The spelling of 1113303031221 in words is "one trillion, one hundred thirteen billion, three hundred three million, thirty-one thousand, two hundred twenty-one".