3321220123 has 16 divisors (see below), whose sum is σ = 3695328000. Its totient is φ = 2964234240.

The previous prime is 3321220109. The next prime is 3321220141. The reversal of 3321220123 is 3210221233.

It is a cyclic number.

It is not a de Polignac number, because 3321220123 - 2²¹ = 3319122971 is a prime.

It is a super-2 number, since 2×3321220123² = 22061006210840270258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3321220123.

It is not an unprimeable number, because it can be changed into a prime (3321220103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564903 + ... + 570751.

It is an arithmetic number, because the mean of its divisors is an integer number (230958000).

Almost surely, 2^3321220123 is an apocalyptic number.

3321220123 is a deficient number, since it is larger than the sum of its proper divisors (374107877).

3321220123 is a wasteful number, since it uses less digits than its factorization.

3321220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3321220123 is about 57630.0279628598. The cubic root of 3321220123 is about 1491.9899126207.

Adding to 3321220123 its reverse (3210221233), we get a palindrome (6531441356).

It can be divided in two parts, 33212 and 20123, that added together give a palindrome (53335).

The spelling of 3321220123 in words is "three billion, three hundred twenty-one million, two hundred twenty thousand, one hundred twenty-three".