2003222222221 has 32 divisors (see below), whose sum is σ = 2234762680320. Its totient is φ = 1780296619200.

The previous prime is 2003222222147. The next prime is 2003222222227. The reversal of 2003222222221 is 1222222223002.

It is not a de Polignac number, because 2003222222221 - 2³⁵ = 1968862483853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003222222192 and 2003222222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003222222227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319847136 + ... + 319853398.

It is an arithmetic number, because the mean of its divisors is an integer number (69836333760).

Almost surely, 2^{2003222222221} is an apocalyptic number.

It is an amenable number.

2003222222221 is a deficient number, since it is larger than the sum of its proper divisors (231540458099).

2003222222221 is a wasteful number, since it uses less digits than its factorization.

2003222222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9177.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2003222222221 its reverse (1222222223002), we get a palindrome (3225444445223).

The spelling of 2003222222221 in words is "two trillion, three billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".