2003222203121 has 4 divisors (see below), whose sum is σ = 2090318820672. Its totient is φ = 1916125585572.

The previous prime is 2003222203063. The next prime is 2003222203181. The reversal of 2003222203121 is 1213022223002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003222203121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003222203093 and 2003222203102.

It is not an unprimeable number, because it can be changed into a prime (2003222203181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43548308741 + ... + 43548308786.

It is an arithmetic number, because the mean of its divisors is an integer number (522579705168).

Almost surely, 2^{2003222203121} is an apocalyptic number.

It is an amenable number.

2003222203121 is a deficient number, since it is larger than the sum of its proper divisors (87096617551).

2003222203121 is an equidigital number, since it uses as much as digits as its factorization.

2003222203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87096617550.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2003222203121 its reverse (1213022223002), we get a palindrome (3216244426123).

The spelling of 2003222203121 in words is "two trillion, three billion, two hundred twenty-two million, two hundred three thousand, one hundred twenty-one".