3220351121 has 4 divisors (see below), whose sum is σ = 3468070452. Its totient is φ = 2972631792.

The previous prime is 3220351091. The next prime is 3220351133. The reversal of 3220351121 is 1211530223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1211530223 = 2741 ⋅442003.

It can be written as a sum of positive squares in 2 ways, for example, as 438316096 + 2782035025 = 20936^2 + 52745^2 .

It is not a de Polignac number, because 3220351121 - 2¹⁴ = 3220334737 is a prime.

It is a super-2 number, since 2×3220351121² = 20741322685051913282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3220351093 and 3220351102.

It is not an unprimeable number, because it can be changed into a prime (3220351151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123859646 + ... + 123859671.

It is an arithmetic number, because the mean of its divisors is an integer number (867017613).

Almost surely, 2^3220351121 is an apocalyptic number.

It is an amenable number.

3220351121 is a deficient number, since it is larger than the sum of its proper divisors (247719331).

3220351121 is a wasteful number, since it uses less digits than its factorization.

3220351121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247719330.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3220351121 is about 56748.1375993962. The cubic root of 3220351121 is about 1476.7299241065.

Adding to 3220351121 its reverse (1211530223), we get a palindrome (4431881344).

The spelling of 3220351121 in words is "three billion, two hundred twenty million, three hundred fifty-one thousand, one hundred twenty-one".