3421121003 has 4 divisors (see below), whose sum is σ = 3431457048. Its totient is φ = 3410784960.

The previous prime is 3421120999. The next prime is 3421121017. The reversal of 3421121003 is 3001211243.

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

It is a cyclic number.

It is not a de Polignac number, because 3421121003 - 2² = 3421120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421121063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5167526 + ... + 5168187.

It is an arithmetic number, because the mean of its divisors is an integer number (857864262).

Almost surely, 2^3421121003 is an apocalyptic number.

3421121003 is a deficient number, since it is larger than the sum of its proper divisors (10336045).

3421121003 is a wasteful number, since it uses less digits than its factorization.

3421121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10336044.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3421121003 is about 58490.3496570161. The cubic root of 3421121003 is about 1506.8018511122.

Adding to 3421121003 its reverse (3001211243), we get a palindrome (6422332246).

The spelling of 3421121003 in words is "three billion, four hundred twenty-one million, one hundred twenty-one thousand, three".