111002211211 has 2 divisors, whose sum is σ = 111002211212. Its totient is φ = 111002211210.

The previous prime is 111002211191. The next prime is 111002211223. The reversal of 111002211211 is 112112200111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (112112200111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111002211211 - 2³³ = 102412276619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111002211191 and 111002211200.

It is not a weakly prime, because it can be changed into another prime (111002211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501105605 + 55501105606.

It is an arithmetic number, because the mean of its divisors is an integer number (55501105606).

Almost surely, 2^111002211211 is an apocalyptic number.

111002211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002211211 is an equidigital number, since it uses as much as digits as its factorization.

111002211211 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 111002211211 its reverse (112112200111), we get a palindrome (223114411322).

The spelling of 111002211211 in words is "one hundred eleven billion, two million, two hundred eleven thousand, two hundred eleven".