222202111211011 has 4 divisors (see below), whose sum is σ = 222665998708800. Its totient is φ = 221738223713224.

The previous prime is 222202111210999. The next prime is 222202111211029. The reversal of 222202111211011 is 110112111202222.

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 222202111211011 - 2¹¹ = 222202111208963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222202111211011.

It is not an unprimeable number, because it can be changed into a prime (222202111221011) 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 3 ways as a sum of consecutive naturals, for example, 231943748176 + ... + 231943749133.

It is an arithmetic number, because the mean of its divisors is an integer number (55666499677200).

Almost surely, 2^{222202111211011} is an apocalyptic number.

222202111211011 is a deficient number, since it is larger than the sum of its proper divisors (463887497789).

222202111211011 is an equidigital number, since it uses as much as digits as its factorization.

222202111211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463887497788.

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

Adding to 222202111211011 its reverse (110112111202222), we get a palindrome (332314222413233).

The spelling of 222202111211011 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred eleven million, two hundred eleven thousand, eleven".