3312223121 has 4 divisors (see below), whose sum is σ = 3319471332. Its totient is φ = 3304974912.

The previous prime is 3312223099. The next prime is 3312223129. The reversal of 3312223121 is 1213222133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213222133 = 59 ⋅20563087.

It can be written as a sum of positive squares in 2 ways, for example, as 2147024896 + 1165198225 = 46336^2 + 34135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312223121 - 2¹⁰ = 3312222097 is a prime.

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 = 3312223093 and 3312223102.

It is not an unprimeable number, because it can be changed into a prime (3312223129) 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, 3623420 + ... + 3624333.

It is an arithmetic number, because the mean of its divisors is an integer number (829867833).

Almost surely, 2^3312223121 is an apocalyptic number.

It is an amenable number.

3312223121 is a deficient number, since it is larger than the sum of its proper divisors (7248211).

3312223121 is an equidigital number, since it uses as much as digits as its factorization.

3312223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248210.

The product of its digits is 432, while the sum is 20.

The square root of 3312223121 is about 57551.9167447966. The cubic root of 3312223121 is about 1490.6414548130.

Adding to 3312223121 its reverse (1213222133), we get a palindrome (4525445254).

The spelling of 3312223121 in words is "three billion, three hundred twelve million, two hundred twenty-three thousand, one hundred twenty-one".