3301123121 has 4 divisors (see below), whose sum is σ = 3495306852. Its totient is φ = 3106939392.

The previous prime is 3301123057. The next prime is 3301123123. The reversal of 3301123121 is 1213211033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213211033 = 41 ⋅29590513.

It can be written as a sum of positive squares in 2 ways, for example, as 2227840000 + 1073283121 = 47200^2 + 32761^2 .

It is a cyclic number.

It is not a de Polignac number, because 3301123121 - 2⁶ = 3301123057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 194183713 = 3301123121 / (3 + 3 + 0 + 1 + 1 + 2 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3301123121.

It is not an unprimeable number, because it can be changed into a prime (3301123123) 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, 97091840 + ... + 97091873.

It is an arithmetic number, because the mean of its divisors is an integer number (873826713).

Almost surely, 2^3301123121 is an apocalyptic number.

It is an amenable number.

3301123121 is a deficient number, since it is larger than the sum of its proper divisors (194183731).

3301123121 is a wasteful number, since it uses less digits than its factorization.

3301123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194183730.

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

The square root of 3301123121 is about 57455.4011473247. The cubic root of 3301123121 is about 1488.9744336733.

Adding to 3301123121 its reverse (1213211033), we get a palindrome (4514334154).

The spelling of 3301123121 in words is "three billion, three hundred one million, one hundred twenty-three thousand, one hundred twenty-one".