2221211123222 has 32 divisors (see below), whose sum is σ = 4167922027584. Its totient is φ = 864315619200.

The previous prime is 2221211123177. The next prime is 2221211123273. The reversal of 2221211123222 is 2223211121222.

It is a super-2 number, since 2×2221211123222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 100025429 + ... + 100047632.

It is an arithmetic number, because the mean of its divisors is an integer number (130247563362).

Almost surely, 2^{2221211123222} is an apocalyptic number.

2221211123222 is a deficient number, since it is larger than the sum of its proper divisors (1946710904362).

2221211123222 is a wasteful number, since it uses less digits than its factorization.

2221211123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200073144.

The product of its digits is 768, while the sum is 23.

Adding to 2221211123222 its reverse (2223211121222), we get a palindrome (4444422244444).

The spelling of 2221211123222 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twenty-three thousand, two hundred twenty-two".