111022112011 has 2 divisors, whose sum is σ = 111022112012. Its totient is φ = 111022112010.

The previous prime is 111022111999. The next prime is 111022112057. The reversal of 111022112011 is 110211220111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (110211220111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111022112011 - 2⁷ = 111022111883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111022111982 and 111022112000.

It is not a weakly prime, because it can be changed into another prime (111022112081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511056005 + 55511056006.

It is an arithmetic number, because the mean of its divisors is an integer number (55511056006).

Almost surely, 2^111022112011 is an apocalyptic number.

111022112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022112011 is an equidigital number, since it uses as much as digits as its factorization.

111022112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111022112011 its reverse (110211220111), we get a palindrome (221233332122).

The spelling of 111022112011 in words is "one hundred eleven billion, twenty-two million, one hundred twelve thousand, eleven".