111222101000211 has 64 divisors (see below), whose sum is σ = 154443864960000. Its totient is φ = 71138877626880.

The previous prime is 111222101000207. The next prime is 111222101000239. The reversal of 111222101000211 is 112000101222111.

It is a happy number.

It is not a de Polignac number, because 111222101000211 - 2² = 111222101000207 is a prime.

It is a super-2 number, since 2×111222101000211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222101000261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26299856245 + ... + 26299860473.

It is an arithmetic number, because the mean of its divisors is an integer number (2413185390000).

Almost surely, 2^{111222101000211} is an apocalyptic number.

111222101000211 is a deficient number, since it is larger than the sum of its proper divisors (43221763959789).

111222101000211 is a wasteful number, since it uses less digits than its factorization.

111222101000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111222101000211 its reverse (112000101222111), we get a palindrome (223222202222322).

The spelling of 111222101000211 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven", and thus it is an aban number.