221210111102 has 8 divisors (see below), whose sum is σ = 331844310000. Its totient is φ = 110595341104.

The previous prime is 221210111071. The next prime is 221210111119. The reversal of 221210111102 is 201111012122.

221210111102 is digitally balanced in base 2, because in such base 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.

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, 4828727 + ... + 4874322.

It is an arithmetic number, because the mean of its divisors is an integer number (41480538750).

Almost surely, 2^221210111102 is an apocalyptic number.

221210111102 is a deficient number, since it is larger than the sum of its proper divisors (110634198898).

221210111102 is a wasteful number, since it uses less digits than its factorization.

221210111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714450.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221210111102 its reverse (201111012122), we get a palindrome (422321123224).

The spelling of 221210111102 in words is "two hundred twenty-one billion, two hundred ten million, one hundred eleven thousand, one hundred two".