221011002222 has 8 divisors (see below), whose sum is σ = 442022004456. Its totient is φ = 73670334072.

The previous prime is 221011002181. The next prime is 221011002257. The reversal of 221011002222 is 222200110122.

221011002222 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

221011002222 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 18417583513 + ... + 18417583524.

It is an arithmetic number, because the mean of its divisors is an integer number (55252750557).

Almost surely, 2^221011002222 is an apocalyptic number.

221011002222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221011002222 is a wasteful number, since it uses less digits than its factorization.

221011002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36835167042.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221011002222 its reverse (222200110122), we get a palindrome (443211112344).

The spelling of 221011002222 in words is "two hundred twenty-one billion, eleven million, two thousand, two hundred twenty-two".