11122020112111 has 16 divisors (see below), whose sum is σ = 11893149602208. Its totient is φ = 10363883904000.

The previous prime is 11122020112003. The next prime is 11122020112123. The reversal of 11122020112111 is 11121102022111.

It is a cyclic number.

It is not a de Polignac number, because 11122020112111 - 2⁹ = 11122020111599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122020112141) 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, 127909096 + ... + 127996018.

It is an arithmetic number, because the mean of its divisors is an integer number (743321850138).

Almost surely, 2^{11122020112111} is an apocalyptic number.

11122020112111 is a deficient number, since it is larger than the sum of its proper divisors (771129490097).

11122020112111 is a wasteful number, since it uses less digits than its factorization.

11122020112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161562.

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

Adding to 11122020112111 its reverse (11121102022111), we get a palindrome (22243122134222).

Subtracting from 11122020112111 its reverse (11121102022111), we obtain a square (918090000 = 30300²).

The spelling of 11122020112111 in words is "eleven trillion, one hundred twenty-two billion, twenty million, one hundred twelve thousand, one hundred eleven".