3121220220103 has 8 divisors (see below), whose sum is σ = 3258551518848. Its totient is φ = 2984024427384.

The previous prime is 3121220220061. The next prime is 3121220220143. The reversal of 3121220220103 is 3010220221213.

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

It is a cyclic number.

It is not a de Polignac number, because 3121220220103 - 2¹³ = 3121220211911 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 (3121220220143) 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, 33829425 + ... + 33921562.

It is an arithmetic number, because the mean of its divisors is an integer number (407318939856).

Almost surely, 2^{3121220220103} is an apocalyptic number.

3121220220103 is a deficient number, since it is larger than the sum of its proper divisors (137331298745).

3121220220103 is a wasteful number, since it uses less digits than its factorization.

3121220220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67753013.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3121220220103 its reverse (3010220221213), we get a palindrome (6131440441316).

The spelling of 3121220220103 in words is "three trillion, one hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, one hundred three".