222040212211 has 4 divisors (see below), whose sum is σ = 222080802624. Its totient is φ = 221999621800.

The previous prime is 222040212209. The next prime is 222040212223. The reversal of 222040212211 is 112212040222.

222040212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112212040222 = 2 ⋅56106020111.

It is a cyclic number.

It is not a de Polignac number, because 222040212211 - 2¹ = 222040212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222040212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20287000 + ... + 20297941.

It is an arithmetic number, because the mean of its divisors is an integer number (55520200656).

Almost surely, 2^222040212211 is an apocalyptic number.

222040212211 is a deficient number, since it is larger than the sum of its proper divisors (40590413).

222040212211 is an equidigital number, since it uses as much as digits as its factorization.

222040212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40590412.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222040212211 its reverse (112212040222), we get a palindrome (334252252433).

The spelling of 222040212211 in words is "two hundred twenty-two billion, forty million, two hundred twelve thousand, two hundred eleven".