11100110212111 has 4 divisors (see below), whose sum is σ = 11100117194712. Its totient is φ = 11100103229512.

The previous prime is 11100110212019. The next prime is 11100110212171. The reversal of 11100110212111 is 11121201100111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11100110212111 - 2⁹ = 11100110211599 is a prime.

It is a super-2 number, since 2×11100110212111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100110212091 and 11100110212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100110212171) 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, 180276 + ... + 4715158.

It is an arithmetic number, because the mean of its divisors is an integer number (2775029298678).

Almost surely, 2^{11100110212111} is an apocalyptic number.

11100110212111 is a deficient number, since it is larger than the sum of its proper divisors (6982601).

11100110212111 is an equidigital number, since it uses as much as digits as its factorization.

11100110212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982600.

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

Adding to 11100110212111 its reverse (11121201100111), we get a palindrome (22221311312222).

The spelling of 11100110212111 in words is "eleven trillion, one hundred billion, one hundred ten million, two hundred twelve thousand, one hundred eleven".