3121221123303 has 8 divisors (see below), whose sum is σ = 4163620335600. Its totient is φ = 2079817996608.

The previous prime is 3121221123289. The next prime is 3121221123347. The reversal of 3121221123303 is 3033211221213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121221123303 - 2⁴ = 3121221123287 is a prime.

It is a super-2 number, since 2×3121221123303² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121221123353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249014088 + ... + 249026621.

It is an arithmetic number, because the mean of its divisors is an integer number (520452541950).

Almost surely, 2^{3121221123303} is an apocalyptic number.

3121221123303 is a deficient number, since it is larger than the sum of its proper divisors (1042399212297).

3121221123303 is a wasteful number, since it uses less digits than its factorization.

3121221123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498042801.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3121221123303 its reverse (3033211221213), we get a palindrome (6154432344516).

The spelling of 3121221123303 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred three".