111001111002211 has 4 divisors (see below), whose sum is σ = 112657844002312. Its totient is φ = 109344378002112.

The previous prime is 111001111002167. The next prime is 111001111002269. The reversal of 111001111002211 is 112200111100111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111001111002211 - 2⁷ = 111001111002083 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111001111002191 and 111001111002200.

It is not an unprimeable number, because it can be changed into a prime (111001111002911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828366499950 + ... + 828366500083.

It is an arithmetic number, because the mean of its divisors is an integer number (28164461000578).

Almost surely, 2^{111001111002211} is an apocalyptic number.

111001111002211 is a deficient number, since it is larger than the sum of its proper divisors (1656733000101).

111001111002211 is an equidigital number, since it uses as much as digits as its factorization.

111001111002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656733000100.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111001111002211 its reverse (112200111100111), we get a palindrome (223201222102322).

The spelling of 111001111002211 in words is "one hundred eleven trillion, one billion, one hundred eleven million, two thousand, two hundred eleven".