11102111023111 has 4 divisors (see below), whose sum is σ = 11284112843224. Its totient is φ = 10920109203000.

The previous prime is 11102111023109. The next prime is 11102111023121. The reversal of 11102111023111 is 11132011120111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11102111023111 - 2¹ = 11102111023109 is a prime.

It is a super-2 number, since 2×11102111023111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102111023121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91000909965 + ... + 91000910086.

It is an arithmetic number, because the mean of its divisors is an integer number (2821028210806).

Almost surely, 2^{11102111023111} is an apocalyptic number.

11102111023111 is a deficient number, since it is larger than the sum of its proper divisors (182001820113).

11102111023111 is an equidigital number, since it uses as much as digits as its factorization.

11102111023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182001820112.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 11102111023111 its reverse (11132011120111), we get a palindrome (22234122143222).

The spelling of 11102111023111 in words is "eleven trillion, one hundred two billion, one hundred eleven million, twenty-three thousand, one hundred eleven".