2000222111221 has 16 divisors (see below), whose sum is σ = 2186382211200. Its totient is φ = 1822647451968.

The previous prime is 2000222111203. The next prime is 2000222111263. The reversal of 2000222111221 is 1221112220002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2000222111221 - 2⁹ = 2000222110709 is a prime.

It is a super-2 number, since 2×2000222111221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000222111195 and 2000222111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000222111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6756546 + ... + 7046371.

It is an arithmetic number, because the mean of its divisors is an integer number (136648888200).

Almost surely, 2^{2000222111221} is an apocalyptic number.

It is an amenable number.

2000222111221 is a deficient number, since it is larger than the sum of its proper divisors (186160099979).

2000222111221 is a wasteful number, since it uses less digits than its factorization.

2000222111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13803228.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2000222111221 its reverse (1221112220002), we get a palindrome (3221334331223).

The spelling of 2000222111221 in words is "two trillion, two hundred twenty-two million, one hundred eleven thousand, two hundred twenty-one".