111311102006 has 24 divisors (see below), whose sum is σ = 181043268840. Its totient is φ = 51304720896.

The previous prime is 111311101961. The next prime is 111311102009. The reversal of 111311102006 is 600201113111.

It is a super-2 number, since 2×111311102006² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311102009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26966 + ... + 472598.

It is an arithmetic number, because the mean of its divisors is an integer number (7543469535).

Almost surely, 2^111311102006 is an apocalyptic number.

111311102006 is a deficient number, since it is larger than the sum of its proper divisors (69732166834).

111311102006 is a wasteful number, since it uses less digits than its factorization.

111311102006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446400 (or 446387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111311102006 its reverse (600201113111), we get a palindrome (711512215117).

The spelling of 111311102006 in words is "one hundred eleven billion, three hundred eleven million, one hundred two thousand, six".