111112002111 has 16 divisors (see below), whose sum is σ = 161624717568. Its totient is φ = 67337582400.

The previous prime is 111112002101. The next prime is 111112002119. The reversal of 111112002111 is 111200211111.

It is not a de Polignac number, because 111112002111 - 2⁶ = 111112002047 is a prime.

It is a super-2 number, since 2×111112002111² (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 (111112002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833131 + ... + 957251.

It is an arithmetic number, because the mean of its divisors is an integer number (10101544848).

Almost surely, 2^111112002111 is an apocalyptic number.

111112002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111112002111 is a deficient number, since it is larger than the sum of its proper divisors (50512715457).

111112002111 is a wasteful number, since it uses less digits than its factorization.

111112002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151262.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111112002111 its reverse (111200211111), we get a palindrome (222312213222).

It can be divided in two parts, 11 and 1112002111, that multiplied together give a palindrome (12232023221).

The spelling of 111112002111 in words is "one hundred eleven billion, one hundred twelve million, two thousand, one hundred eleven".