221012010222 has 8 divisors (see below), whose sum is σ = 442024020456. Its totient is φ = 73670670072.

The previous prime is 221012010221. The next prime is 221012010227. The reversal of 221012010222 is 222010210122.

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

221012010222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221012010221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18417667513 + ... + 18417667524.

It is an arithmetic number, because the mean of its divisors is an integer number (55253002557).

Almost surely, 2^221012010222 is an apocalyptic number.

221012010222 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.

221012010222 is a wasteful number, since it uses less digits than its factorization.

221012010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36835335042.

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

Adding to 221012010222 its reverse (222010210122), we get a palindrome (443022220344).

The spelling of 221012010222 in words is "two hundred twenty-one billion, twelve million, ten thousand, two hundred twenty-two".