220121134203 has 8 divisors (see below), whose sum is σ = 295116364816. Its totient is φ = 145936663200.

The previous prime is 220121134201. The next prime is 220121134213. The reversal of 220121134203 is 302431121022.

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

It is not a de Polignac number, because 220121134203 - 2¹ = 220121134201 is a prime.

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 220121134203.

It is not an unprimeable number, because it can be changed into a prime (220121134201) 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, 202689268 + ... + 202690353.

It is an arithmetic number, because the mean of its divisors is an integer number (36889545602).

Almost surely, 2^220121134203 is an apocalyptic number.

220121134203 is a deficient number, since it is larger than the sum of its proper divisors (74995230613).

220121134203 is a wasteful number, since it uses less digits than its factorization.

220121134203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405379805.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 220121134203 its reverse (302431121022), we get a palindrome (522552255225).

The spelling of 220121134203 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred thirty-four thousand, two hundred three".