111012211220211 has 24 divisors (see below), whose sum is σ = 183268232935424. Its totient is φ = 63432094829040.

The previous prime is 111012211220203. The next prime is 111012211220233. The reversal of 111012211220211 is 112022112210111.

It is a happy number.

111012211220211 is a `hidden beast` number, since 1 + 1 + 10 + 1 + 221 + 1 + 220 + 211 = 666.

It is not a de Polignac number, because 111012211220211 - 2³ = 111012211220203 is a prime.

It is a super-2 number, since 2×111012211220211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111012211220201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46812025 + ... + 49126266.

Almost surely, 2^{111012211220211} is an apocalyptic number.

111012211220211 is a deficient number, since it is larger than the sum of its proper divisors (72256021715213).

111012211220211 is a wasteful number, since it uses less digits than its factorization.

111012211220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95956671 (or 95956668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111012211220211 its reverse (112022112210111), we get a palindrome (223034323430322).

The spelling of 111012211220211 in words is "one hundred eleven trillion, twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred eleven".