3321003121 has 8 divisors (see below), whose sum is σ = 3436162920. Its totient is φ = 3205886208.

The previous prime is 3321003109. The next prime is 3321003131. The reversal of 3321003121 is 1213001233.

It can be written as a sum of positive squares in 4 ways, for example, as 180633600 + 3140369521 = 13440^2 + 56039^2 .

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 3321003121 - 2²¹ = 3318905969 is a prime.

It is a super-2 number, since 2×3321003121² = 22058123459383481282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3321003095 and 3321003104.

It is not an unprimeable number, because it can be changed into a prime (3321003131) 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, 294825 + ... + 305881.

It is an arithmetic number, because the mean of its divisors is an integer number (429520365).

Almost surely, 2^3321003121 is an apocalyptic number.

It is an amenable number.

3321003121 is a deficient number, since it is larger than the sum of its proper divisors (115159799).

3321003121 is a wasteful number, since it uses less digits than its factorization.

3321003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3321003121 is about 57628.1452156843. The cubic root of 3321003121 is about 1491.9574173495.

Adding to 3321003121 its reverse (1213001233), we get a palindrome (4534004354).

The spelling of 3321003121 in words is "three billion, three hundred twenty-one million, three thousand, one hundred twenty-one".