111220102222211 has 8 divisors (see below), whose sum is σ = 116069411057184. Its totient is φ = 106371931072000.

The previous prime is 111220102222193. The next prime is 111220102222223. The reversal of 111220102222211 is 112222201022111.

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 111220102222211 - 2¹⁸ = 111220101960067 is a prime.

It is a super-2 number, since 2×111220102222211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111220102228211) 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, 284221406 + ... + 284612451.

It is an arithmetic number, because the mean of its divisors is an integer number (14508676382148).

Almost surely, 2^{111220102222211} is an apocalyptic number.

111220102222211 is a deficient number, since it is larger than the sum of its proper divisors (4849308834973).

111220102222211 is an equidigital number, since it uses as much as digits as its factorization.

111220102222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568842381.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111220102222211 its reverse (112222201022111), we get a palindrome (223442303244322).

The spelling of 111220102222211 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred two million, two hundred twenty-two thousand, two hundred eleven".