11101010111111 has 8 divisors (see below), whose sum is σ = 11125780200960. Its totient is φ = 11076248118168.

The previous prime is 11101010111089. The next prime is 11101010111119. The reversal of 11101010111111 is 11111101010111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101010111111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101010111092 and 11101010111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101010111119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725030 + ... + 4767356.

It is an arithmetic number, because the mean of its divisors is an integer number (1390722525120).

Almost surely, 2^{11101010111111} is an apocalyptic number.

11101010111111 is a deficient number, since it is larger than the sum of its proper divisors (24770089849).

11101010111111 is an equidigital number, since it uses as much as digits as its factorization.

11101010111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048453.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11101010111111 its reverse (11111101010111), we get a palindrome (22212111121222).

It can be divided in two parts, 11101010111 and 111, that multiplied together give a palindrome (1232212122321).

The spelling of 11101010111111 in words is "eleven trillion, one hundred one billion, ten million, one hundred eleven thousand, one hundred eleven".