3311332121 has 4 divisors (see below), whose sum is σ = 3311774244. Its totient is φ = 3310890000.

The previous prime is 3311332111. The next prime is 3311332133. The reversal of 3311332121 is 1212331133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3049248400 + 262083721 = 55220^2 + 16189^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311332121 - 2¹⁸ = 3311069977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311332093 and 3311332102.

It is not an unprimeable number, because it can be changed into a prime (3311332111) 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, 209630 + ... + 224871.

It is an arithmetic number, because the mean of its divisors is an integer number (827943561).

Almost surely, 2^3311332121 is an apocalyptic number.

It is an amenable number.

3311332121 is a deficient number, since it is larger than the sum of its proper divisors (442123).

3311332121 is an equidigital number, since it uses as much as digits as its factorization.

3311332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442122.

The product of its digits is 324, while the sum is 20.

The square root of 3311332121 is about 57544.1753872623. The cubic root of 3311332121 is about 1490.5077801782.

Adding to 3311332121 its reverse (1212331133), we get a palindrome (4523663254).

The spelling of 3311332121 in words is "three billion, three hundred eleven million, three hundred thirty-two thousand, one hundred twenty-one".