111022021122211 has 16 divisors (see below), whose sum is σ = 114564908323008. Its totient is φ = 107538299366400.

The previous prime is 111022021122143. The next prime is 111022021122253. The reversal of 111022021122211 is 112221120220111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111022021122211 - 2¹¹ = 111022021120163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022021129211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11244150 + ... + 18667483.

It is an arithmetic number, because the mean of its divisors is an integer number (7160306770188).

Almost surely, 2^{111022021122211} is an apocalyptic number.

111022021122211 is a deficient number, since it is larger than the sum of its proper divisors (3542887200797).

111022021122211 is an equidigital number, since it uses as much as digits as its factorization.

111022021122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29912622.

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

Adding to 111022021122211 its reverse (112221120220111), we get a palindrome (223243141342322).

The spelling of 111022021122211 in words is "one hundred eleven trillion, twenty-two billion, twenty-one million, one hundred twenty-two thousand, two hundred eleven".