11102122121111 has 32 divisors (see below), whose sum is σ = 13036829174400. Its totient is φ = 9450265966848.

The previous prime is 11102122121093. The next prime is 11102122121141. The reversal of 11102122121111 is 11112122120111.

11102122121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11102122121111 - 2¹⁰ = 11102122120087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11102122121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102122121141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51933635 + ... + 52146971.

It is an arithmetic number, because the mean of its divisors is an integer number (407400911700).

Almost surely, 2^{11102122121111} is an apocalyptic number.

11102122121111 is a deficient number, since it is larger than the sum of its proper divisors (1934707053289).

11102122121111 is an equidigital number, since it uses as much as digits as its factorization.

11102122121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214408 (or 214394 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11102122121111 its reverse (11112122120111), we get a palindrome (22214244241222).

It can be divided in two parts, 1110212 and 2121111, that added together give a palindrome (3231323).

The spelling of 11102122121111 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".