222112221011011 has 4 divisors (see below), whose sum is σ = 227529592255224. Its totient is φ = 216694849766800.

The previous prime is 222112221010987. The next prime is 222112221011029. The reversal of 222112221011011 is 110110122211222.

It is a happy number.

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 222112221011011 - 2²¹ = 222112218913859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222112221011011.

It is not an unprimeable number, because it can be changed into a prime (222112221011081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708685622045 + ... + 2708685622126.

It is an arithmetic number, because the mean of its divisors is an integer number (56882398063806).

Almost surely, 2^{222112221011011} is an apocalyptic number.

222112221011011 is a deficient number, since it is larger than the sum of its proper divisors (5417371244213).

222112221011011 is an equidigital number, since it uses as much as digits as its factorization.

222112221011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417371244212.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222112221011011 its reverse (110110122211222), we get a palindrome (332222343222233).

The spelling of 222112221011011 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, eleven thousand, eleven".