111030111211 has 2 divisors, whose sum is σ = 111030111212. Its totient is φ = 111030111210.

The previous prime is 111030111209. The next prime is 111030111293. The reversal of 111030111211 is 112111030111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111030111211 - 2¹ = 111030111209 is a prime.

Together with 111030111209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 111030111191 and 111030111200.

It is not a weakly prime, because it can be changed into another prime (111030111911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515055605 + 55515055606.

It is an arithmetic number, because the mean of its divisors is an integer number (55515055606).

Almost surely, 2^111030111211 is an apocalyptic number.

111030111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111030111211 is an equidigital number, since it uses as much as digits as its factorization.

111030111211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111030111211 its reverse (112111030111), we get a palindrome (223141141322).

The spelling of 111030111211 in words is "one hundred eleven billion, thirty million, one hundred eleven thousand, two hundred eleven".