11101211011011 has 32 divisors (see below), whose sum is σ = 16633459019520. Its totient is φ = 6527238924800.

The previous prime is 11101211010997. The next prime is 11101211011043. The reversal of 11101211011011 is 11011011210111.

It is not a de Polignac number, because 11101211011011 - 2¹¹ = 11101211008963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101211011091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22676490 + ... + 23160863.

It is an arithmetic number, because the mean of its divisors is an integer number (519795594360).

Almost surely, 2^{11101211011011} is an apocalyptic number.

11101211011011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101211011011 is a deficient number, since it is larger than the sum of its proper divisors (5532248008509).

11101211011011 is a wasteful number, since it uses less digits than its factorization.

11101211011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45837587.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11101211011011 its reverse (11011011210111), we get a palindrome (22112222221122).

The spelling of 11101211011011 in words is "eleven trillion, one hundred one billion, two hundred eleven million, eleven thousand, eleven".