222212120222211 has 16 divisors (see below), whose sum is σ = 338795918623488. Its totient is φ = 126908239341600.

The previous prime is 222212120222047. The next prime is 222212120222221. The reversal of 222212120222211 is 112222021212222.

It is a happy number.

It is not a de Polignac number, because 222212120222211 - 2⁹ = 222212120221699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222212120222221) 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, 2921422360 + ... + 2921498421.

It is an arithmetic number, because the mean of its divisors is an integer number (21174744913968).

Almost surely, 2^{222212120222211} is an apocalyptic number.

222212120222211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222212120222211 is a deficient number, since it is larger than the sum of its proper divisors (116583798401277).

222212120222211 is a wasteful number, since it uses less digits than its factorization.

222212120222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842922602.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 222212120222211 its reverse (112222021212222), we get a palindrome (334434141434433).

The spelling of 222212120222211 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".