3021221113 has 8 divisors (see below), whose sum is σ = 3199926600. Its totient is φ = 2842625280.

The previous prime is 3021221111. The next prime is 3021221117. The reversal of 3021221113 is 3111221203.

It can be written as a sum of positive squares in 4 ways, for example, as 52823824 + 2968397289 = 7268^2 + 54483^2 .

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 3021221113 - 2¹ = 3021221111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3021221111) 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, 33163 + ... + 84511.

It is an arithmetic number, because the mean of its divisors is an integer number (399990825).

Almost surely, 2^3021221113 is an apocalyptic number.

It is an amenable number.

3021221113 is a deficient number, since it is larger than the sum of its proper divisors (178705487).

3021221113 is a wasteful number, since it uses less digits than its factorization.

3021221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54827.

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

The square root of 3021221113 is about 54965.6357463461. The cubic root of 3021221113 is about 1445.6422655421.

Adding to 3021221113 its reverse (3111221203), we get a palindrome (6132442316).

The spelling of 3021221113 in words is "three billion, twenty-one million, two hundred twenty-one thousand, one hundred thirteen".