221102111202222 has 8 divisors (see below), whose sum is σ = 442204222404456. Its totient is φ = 73700703734072.

The previous prime is 221102111202197. The next prime is 221102111202233. The reversal of 221102111202222 is 222202111201122.

221102111202222 is digitally balanced in base 2 and base 4, 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.

221102111202222 is an admirable number.

It is a super-2 number, since 2×221102111202222² (a number of 29 digits) contains 22 as substring.

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, 18425175933513 + ... + 18425175933524.

It is an arithmetic number, because the mean of its divisors is an integer number (55275527800557).

Almost surely, 2^{221102111202222} is an apocalyptic number.

221102111202222 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.

221102111202222 is a wasteful number, since it uses less digits than its factorization.

221102111202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36850351867042.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221102111202222 its reverse (222202111201122), we get a palindrome (443304222403344).

The spelling of 221102111202222 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred eleven million, two hundred two thousand, two hundred twenty-two".