220001022201122 has 16 divisors (see below), whose sum is σ = 349415021269080. Its totient is φ = 103529408928768.

The previous prime is 220001022201097. The next prime is 220001022201133. The reversal of 220001022201122 is 221102220100022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 184475858031721 + 35525164169401 = 13582189^2 + 5960299^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 220001022201122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7686347 + ... + 22340142.

Almost surely, 2^{220001022201122} is an apocalyptic number.

220001022201122 is a deficient number, since it is larger than the sum of its proper divisors (129413999067958).

220001022201122 is a wasteful number, since it uses less digits than its factorization.

220001022201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30242005.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220001022201122 its reverse (221102220100022), we get a palindrome (441103242301144).

The spelling of 220001022201122 in words is "two hundred twenty trillion, one billion, twenty-two million, two hundred one thousand, one hundred twenty-two".