111132221611 has 2 divisors, whose sum is σ = 111132221612. Its totient is φ = 111132221610.

The previous prime is 111132221597. The next prime is 111132221621. The reversal of 111132221611 is 116122231111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111132221611 - 2⁵ = 111132221579 is a prime.

It is not a weakly prime, because it can be changed into another prime (111132221621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566110805 + 55566110806.

It is an arithmetic number, because the mean of its divisors is an integer number (55566110806).

Almost surely, 2^111132221611 is an apocalyptic number.

111132221611 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132221611 is an equidigital number, since it uses as much as digits as its factorization.

111132221611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 22.

Adding to 111132221611 its reverse (116122231111), we get a palindrome (227254452722).

The spelling of 111132221611 in words is "one hundred eleven billion, one hundred thirty-two million, two hundred twenty-one thousand, six hundred eleven".