222000122101 has 4 divisors (see below), whose sum is σ = 222001219692. Its totient is φ = 221999024512.

The previous prime is 222000122089. The next prime is 222000122117. The reversal of 222000122101 is 101221000222.

It is a happy number.

222000122101 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 170119127025 + 51880995076 = 412455^2 + 227774^2 .

It is a cyclic number.

It is not a de Polignac number, because 222000122101 - 2⁹ = 222000121589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000122501) 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, 147676 + ... + 682501.

It is an arithmetic number, because the mean of its divisors is an integer number (55500304923).

Almost surely, 2^222000122101 is an apocalyptic number.

It is an amenable number.

222000122101 is a deficient number, since it is larger than the sum of its proper divisors (1097591).

222000122101 is an equidigital number, since it uses as much as digits as its factorization.

222000122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097590.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222000122101 its reverse (101221000222), we get a palindrome (323221122323).

The spelling of 222000122101 in words is "two hundred twenty-two billion, one hundred twenty-two thousand, one hundred one".