222202111111111 has 4 divisors (see below), whose sum is σ = 231863072463792. Its totient is φ = 212541149758432.

The previous prime is 222202111111073. The next prime is 222202111111163. The reversal of 222202111111111 is 111111111202222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222202111111111 - 2¹³ = 222202111102919 is a prime.

It is a Duffinian number.

222202111111111 is a modest number, since divided by 11111111 gives 2222021 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202111111181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830480676306 + ... + 4830480676351.

It is an arithmetic number, because the mean of its divisors is an integer number (57965768115948).

Almost surely, 2^{222202111111111} is an apocalyptic number.

222202111111111 is a deficient number, since it is larger than the sum of its proper divisors (9660961352681).

222202111111111 is an equidigital number, since it uses as much as digits as its factorization.

222202111111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660961352680.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 222202111111111 its reverse (111111111202222), we get a palindrome (333313222313333).

It can be divided in two parts, 222202111 and 111111, that added together give a palindrome (222313222).

The spelling of 222202111111111 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".