111012221220211 has 8 divisors (see below), whose sum is σ = 113892844336560. Its totient is φ = 108164900105472.

The previous prime is 111012221220163. The next prime is 111012221220239. The reversal of 111012221220211 is 112022122210111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111012221220211 - 2⁹ = 111012221219699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012221220611) 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, 8325493650 + ... + 8325506983.

It is an arithmetic number, because the mean of its divisors is an integer number (14236605542070).

Almost surely, 2^{111012221220211} is an apocalyptic number.

111012221220211 is a deficient number, since it is larger than the sum of its proper divisors (2880623116349).

111012221220211 is a wasteful number, since it uses less digits than its factorization.

111012221220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651000805.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111012221220211 its reverse (112022122210111), we get a palindrome (223034343430322).

The spelling of 111012221220211 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, two hundred eleven".