11101111011211 has 8 divisors (see below), whose sum is σ = 12006351826560. Its totient is φ = 10203200081472.

The previous prime is 11101111011163. The next prime is 11101111011223. The reversal of 11101111011211 is 11211011110111.

11101111011211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11101111011211 - 2¹⁵ = 11101110978443 is a prime.

It is a super-2 number, since 2×11101111011211² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11101111011191 and 11101111011200.

It is not an unprimeable number, because it can be changed into a prime (11101111011251) 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, 1832468251 + ... + 1832474308.

It is an arithmetic number, because the mean of its divisors is an integer number (1500793978320).

Almost surely, 2^{11101111011211} is an apocalyptic number.

11101111011211 is a deficient number, since it is larger than the sum of its proper divisors (905240815349).

11101111011211 is a wasteful number, since it uses less digits than its factorization.

11101111011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664942805.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 11101111011211 its reverse (11211011110111), we get a palindrome (22312122121322).

The spelling of 11101111011211 in words is "eleven trillion, one hundred one billion, one hundred eleven million, eleven thousand, two hundred eleven".