221002201111222 has 8 divisors (see below), whose sum is σ = 339212680775496. Its totient is φ = 107931307519392.

The previous prime is 221002201111187. The next prime is 221002201111253. The reversal of 221002201111222 is 222111102200122.

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

It is a super-2 number, since 2×221002201111222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221002201111222.

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, 1284896518003 + ... + 1284896518174.

It is an arithmetic number, because the mean of its divisors is an integer number (42401585096937).

Almost surely, 2^{221002201111222} is an apocalyptic number.

221002201111222 is a deficient number, since it is larger than the sum of its proper divisors (118210479664274).

221002201111222 is a wasteful number, since it uses less digits than its factorization.

221002201111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569793036222.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221002201111222 its reverse (222111102200122), we get a palindrome (443113303311344).

The spelling of 221002201111222 in words is "two hundred twenty-one trillion, two billion, two hundred one million, one hundred eleven thousand, two hundred twenty-two".