221010011222 has 32 divisors (see below), whose sum is σ = 445111075584. Its totient is φ = 79484119200.

The previous prime is 221010011153. The next prime is 221010011251. The reversal of 221010011222 is 222110010122.

221010011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 221010011197 and 221010011206.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55195304 + ... + 55199307.

It is an arithmetic number, because the mean of its divisors is an integer number (13909721112).

Almost surely, 2^221010011222 is an apocalyptic number.

221010011222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221010011222 is an abundant number, since it is smaller than the sum of its proper divisors (224101064362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010011222 is a wasteful number, since it uses less digits than its factorization.

221010011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110394644.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221010011222 its reverse (222110010122), we get a palindrome (443120021344).

The spelling of 221010011222 in words is "two hundred twenty-one billion, ten million, eleven thousand, two hundred twenty-two".