212222220110222 has 8 divisors (see below), whose sum is σ = 363809520188976. Its totient is φ = 90952380047232.

The previous prime is 212222220110221. The next prime is 212222220110231. The reversal of 212222220110222 is 222011022222212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222220110221) 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, 7579365003923 + ... + 7579365003950.

It is an arithmetic number, because the mean of its divisors is an integer number (45476190023622).

Almost surely, 2^{212222220110222} is an apocalyptic number.

212222220110222 is a deficient number, since it is larger than the sum of its proper divisors (151587300078754).

212222220110222 is a wasteful number, since it uses less digits than its factorization.

212222220110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158730007882.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212222220110222 its reverse (222011022222212), we get a palindrome (434233242332434).

The spelling of 212222220110222 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-two".