11101001010011 has 4 divisors (see below), whose sum is σ = 12110182920024. Its totient is φ = 10091819100000.

The previous prime is 11101001009993. The next prime is 11101001010019. The reversal of 11101001010011 is 11001010010111.

11101001010011 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 de Polignac number, because none of the positive numbers 2^k-11101001010011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101001010019) 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, 504590954990 + ... + 504590955011.

It is an arithmetic number, because the mean of its divisors is an integer number (3027545730006).

Almost surely, 2^{11101001010011} is an apocalyptic number.

11101001010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101001010011 is a deficient number, since it is larger than the sum of its proper divisors (1009181910013).

11101001010011 is a wasteful number, since it uses less digits than its factorization.

11101001010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009181910012.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11101001010011 its reverse (11001010010111), we get a palindrome (22102011020122).

It can be divided in two parts, 111010010100 and 11, that added together give a palindrome (111010010111).

The spelling of 11101001010011 in words is "eleven trillion, one hundred one billion, one million, ten thousand, eleven".