11211110110111 has 4 divisors (see below), whose sum is σ = 11211124078224. Its totient is φ = 11211096142000.

The previous prime is 11211110110073. The next prime is 11211110110129. The reversal of 11211110110111 is 11101101111211.

11211110110111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11211110110111 - 2²¹ = 11211108012959 is a prime.

It is a super-3 number, since 3×11211110110111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211110110091 and 11211110110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211110180111) 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, 5701630 + ... + 7411531.

It is an arithmetic number, because the mean of its divisors is an integer number (2802781019556).

Almost surely, 2^{11211110110111} is an apocalyptic number.

11211110110111 is a deficient number, since it is larger than the sum of its proper divisors (13968113).

11211110110111 is an equidigital number, since it uses as much as digits as its factorization.

11211110110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968112.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 11211110110111 its reverse (11101101111211), we get a palindrome (22312211221322).

The spelling of 11211110110111 in words is "eleven trillion, two hundred eleven billion, one hundred ten million, one hundred ten thousand, one hundred eleven".