111102002210221 has 8 divisors (see below), whose sum is σ = 126471844413504. Its totient is φ = 96610436704320.

The previous prime is 111102002210209. The next prime is 111102002210263. The reversal of 111102002210221 is 122012200201111.

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

It is a de Polignac number, because none of the positive numbers 2^k-111102002210221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111102002210195 and 111102002210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102002240221) 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 7 ways as a sum of consecutive naturals, for example, 219569174076 + ... + 219569174581.

It is an arithmetic number, because the mean of its divisors is an integer number (15808980551688).

Almost surely, 2^{111102002210221} is an apocalyptic number.

111102002210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111102002210221 is a deficient number, since it is larger than the sum of its proper divisors (15369842203283).

111102002210221 is a wasteful number, since it uses less digits than its factorization.

111102002210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439138348691.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111102002210221 its reverse (122012200201111), we get a palindrome (233114202411332).

The spelling of 111102002210221 in words is "one hundred eleven trillion, one hundred two billion, two million, two hundred ten thousand, two hundred twenty-one".