111120210000221 has 8 divisors (see below), whose sum is σ = 111333162349920. Its totient is φ = 110907259504272.

The previous prime is 111120210000199. The next prime is 111120210000259. The reversal of 111120210000221 is 122000012021111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111120210000221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120210000196 and 111120210000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120210000271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218220050 + ... + 218728668.

It is an arithmetic number, because the mean of its divisors is an integer number (13916645293740).

Almost surely, 2^{111120210000221} is an apocalyptic number.

It is an amenable number.

111120210000221 is a deficient number, since it is larger than the sum of its proper divisors (212952349699).

111120210000221 is an equidigital number, since it uses as much as digits as its factorization.

111120210000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926875.

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

Adding to 111120210000221 its reverse (122000012021111), we get a palindrome (233120222021332).

The spelling of 111120210000221 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-one", and thus it is an aban number.