3201121133 has 4 divisors (see below), whose sum is σ = 3658424160. Its totient is φ = 2743818108.

The previous prime is 3201121129. The next prime is 3201121171. The reversal of 3201121133 is 3311211023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3201121133 - 2² = 3201121129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201124133) 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, 228651503 + ... + 228651516.

It is an arithmetic number, because the mean of its divisors is an integer number (914606040).

Almost surely, 2^3201121133 is an apocalyptic number.

It is an amenable number.

3201121133 is a deficient number, since it is larger than the sum of its proper divisors (457303027).

3201121133 is an equidigital number, since it uses as much as digits as its factorization.

3201121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457303026.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3201121133 is about 56578.4511364530. The cubic root of 3201121133 is about 1473.7846747489.

Adding to 3201121133 its reverse (3311211023), we get a palindrome (6512332156).

The spelling of 3201121133 in words is "three billion, two hundred one million, one hundred twenty-one thousand, one hundred thirty-three".