221020221010222 has 8 divisors (see below), whose sum is σ = 336071842906176. Its totient is φ = 108996273374832.

The previous prime is 221020221010201. The next prime is 221020221010241. The reversal of 221020221010222 is 222010122020122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221020221010222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756918564958 + ... + 756918565249.

It is an arithmetic number, because the mean of its divisors is an integer number (42008980363272).

Almost surely, 2^{221020221010222} is an apocalyptic number.

221020221010222 is a deficient number, since it is larger than the sum of its proper divisors (115051621895954).

221020221010222 is a wasteful number, since it uses less digits than its factorization.

221020221010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513837130282.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221020221010222 its reverse (222010122020122), we get a palindrome (443030343030344).

The spelling of 221020221010222 in words is "two hundred twenty-one trillion, twenty billion, two hundred twenty-one million, ten thousand, two hundred twenty-two".