111332230211 has 2 divisors, whose sum is σ = 111332230212. Its totient is φ = 111332230210.

The previous prime is 111332230129. The next prime is 111332230213. The reversal of 111332230211 is 112032233111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111332230211 - 2²⁶ = 111265121347 is a prime.

It is a super-2 number, since 2×111332230211² (a number of 23 digits) contains 22 as substring.

Together with 111332230213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111332230213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55666115105 + 55666115106.

It is an arithmetic number, because the mean of its divisors is an integer number (55666115106).

Almost surely, 2^111332230211 is an apocalyptic number.

111332230211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111332230211 is an equidigital number, since it uses as much as digits as its factorization.

111332230211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111332230211 its reverse (112032233111), we get a palindrome (223364463322).

The spelling of 111332230211 in words is "one hundred eleven billion, three hundred thirty-two million, two hundred thirty thousand, two hundred eleven".