11120111112111 has 64 divisors (see below), whose sum is σ = 15585407631360. Its totient is φ = 7043811840000.

The previous prime is 11120111112101. The next prime is 11120111112151. The reversal of 11120111112111 is 11121111102111.

It is a happy number.

It is not a de Polignac number, because 11120111112111 - 2¹³ = 11120111103919 is a prime.

It is a super-2 number, since 2×11120111112111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120111112101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3562994631 + ... + 3562997751.

It is an arithmetic number, because the mean of its divisors is an integer number (243521994240).

Almost surely, 2^{11120111112111} is an apocalyptic number.

11120111112111 is a deficient number, since it is larger than the sum of its proper divisors (4465296519249).

11120111112111 is a wasteful number, since it uses less digits than its factorization.

11120111112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 11120111112111 its reverse (11121111102111), we get a palindrome (22241222214222).

The spelling of 11120111112111 in words is "eleven trillion, one hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred eleven".