11122001111111 has 16 divisors (see below), whose sum is σ = 12403403804160. Its totient is φ = 9886072615680.

The previous prime is 11122001111063. The next prime is 11122001111141. The reversal of 11122001111111 is 11111110022111.

11122001111111 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 11122001111111 - 2³⁰ = 11120927369287 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122001111141) 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, 10028906 + ... + 11082551.

It is an arithmetic number, because the mean of its divisors is an integer number (775212737760).

Almost surely, 2^{11122001111111} is an apocalyptic number.

11122001111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122001111111 is a deficient number, since it is larger than the sum of its proper divisors (1281402693049).

11122001111111 is a wasteful number, since it uses less digits than its factorization.

11122001111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112534.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11122001111111 its reverse (11111110022111), we get a palindrome (22233111133222).

The spelling of 11122001111111 in words is "eleven trillion, one hundred twenty-two billion, one million, one hundred eleven thousand, one hundred eleven".