22221000012211 has 32 divisors (see below), whose sum is σ = 30130586873856. Its totient is φ = 15824887920000.

The previous prime is 22221000012181. The next prime is 22221000012229. The reversal of 22221000012211 is 11221000012222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22221000012211 - 2¹⁹ = 22220999487923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221000012811) 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, 109793955 + ... + 109996156.

It is an arithmetic number, because the mean of its divisors is an integer number (941580839808).

Almost surely, 2^{22221000012211} is an apocalyptic number.

22221000012211 is a deficient number, since it is larger than the sum of its proper divisors (7909586861645).

22221000012211 is a wasteful number, since it uses less digits than its factorization.

22221000012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219790243.

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

Adding to 22221000012211 its reverse (11221000012222), we get a palindrome (33442000024433).

The spelling of 22221000012211 in words is "twenty-two trillion, two hundred twenty-one billion, twelve thousand, two hundred eleven".