222011222101 has 4 divisors (see below), whose sum is σ = 235070705772. Its totient is φ = 208951738432.

The previous prime is 222011222089. The next prime is 222011222117. The reversal of 222011222101 is 101222110222.

It is a happy number.

222011222101 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.

It can be written as a sum of positive squares in 2 ways, for example, as 126529604100 + 95481618001 = 355710^2 + 309001^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011222101 - 2¹⁵ = 222011189333 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 (222011222161) 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, 6529741810 + ... + 6529741843.

It is an arithmetic number, because the mean of its divisors is an integer number (58767676443).

Almost surely, 2^222011222101 is an apocalyptic number.

It is an amenable number.

222011222101 is a deficient number, since it is larger than the sum of its proper divisors (13059483671).

222011222101 is a wasteful number, since it uses less digits than its factorization.

222011222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13059483670.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222011222101 its reverse (101222110222), we get a palindrome (323233332323).

The spelling of 222011222101 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, one hundred one".