11011211220011 has 16 divisors (see below), whose sum is σ = 11110375584000. Its totient is φ = 10912282524000.

The previous prime is 11011211219963. The next prime is 11011211220019. The reversal of 11011211220011 is 11002211211011.

11011211220011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11011211220011 - 2²⁶ = 11011144111147 is a prime.

It is a super-2 number, since 2×11011211220011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011211220019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535841165 + ... + 535861713.

It is an arithmetic number, because the mean of its divisors is an integer number (694398474000).

Almost surely, 2^{11011211220011} is an apocalyptic number.

11011211220011 is a deficient number, since it is larger than the sum of its proper divisors (99164363989).

11011211220011 is a wasteful number, since it uses less digits than its factorization.

11011211220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26050.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11011211220011 its reverse (11002211211011), we get a palindrome (22013422431022).

The spelling of 11011211220011 in words is "eleven trillion, eleven billion, two hundred eleven million, two hundred twenty thousand, eleven".