3001121001 has 6 divisors (see below), whose sum is σ = 4334952570. Its totient is φ = 2000747328.

The previous prime is 3001120979. The next prime is 3001121063. The reversal of 3001121001 is 1001211003.

It can be written as a sum of positive squares in only one way, i.e., 2672786601 + 328334400 = 51699^2 + 18120^2 .

It is not a de Polignac number, because 3001121001 - 2⁷ = 3001120873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 333457889 = 3001121001 / (3 + 0 + 0 + 1 + 1 + 2 + 1 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (3001122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166728936 + ... + 166728953.

It is an arithmetic number, because the mean of its divisors is an integer number (722492095).

Almost surely, 2^3001121001 is an apocalyptic number.

It is an amenable number.

3001121001 is a deficient number, since it is larger than the sum of its proper divisors (1333831569).

3001121001 is a wasteful number, since it uses less digits than its factorization.

3001121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333457895 (or 333457892 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 3001121001 is about 54782.4880869790. The cubic root of 3001121001 is about 1442.4291882936.

Adding to 3001121001 its reverse (1001211003), we get a palindrome (4002332004).

The spelling of 3001121001 in words is "three billion, one million, one hundred twenty-one thousand, one".