221100000022 has 16 divisors (see below), whose sum is σ = 361807218432. Its totient is φ = 100497994920.

The previous prime is 221100000013. The next prime is 221100000029. The reversal of 221100000022 is 220000001122.

221100000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221099999954 and 221100000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221100000029) 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 7 ways as a sum of consecutive naturals, for example, 2132263 + ... + 2233549.

It is an arithmetic number, because the mean of its divisors is an integer number (22612951152).

Almost surely, 2^221100000022 is an apocalyptic number.

221100000022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221100000022 is a deficient number, since it is larger than the sum of its proper divisors (140707218410).

221100000022 is a wasteful number, since it uses less digits than its factorization.

221100000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200523.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 221100000022 its reverse (220000001122), we get a palindrome (441100001144).

The spelling of 221100000022 in words is "two hundred twenty-one billion, one hundred million, twenty-two", and thus it is an aban number.