111222211002011 has 2 divisors, whose sum is σ = 111222211002012. Its totient is φ = 111222211002010.

The previous prime is 111222211001981. The next prime is 111222211002013. The reversal of 111222211002011 is 110200112222111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111222211002011 - 2⁶ = 111222211001947 is a prime.

It is a super-4 number, since 4×111222211002011⁴ (a number of 57 digits) contains 4444 as substring.

Together with 111222211002013, 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 (111222211002013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611105501005 + 55611105501006.

It is an arithmetic number, because the mean of its divisors is an integer number (55611105501006).

Almost surely, 2^{111222211002011} is an apocalyptic number.

111222211002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222211002011 is an equidigital number, since it uses as much as digits as its factorization.

111222211002011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111222211002011 its reverse (110200112222111), we get a palindrome (221422323224122).

The spelling of 111222211002011 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two thousand, eleven".