112111100102111 has 4 divisors (see below), whose sum is σ = 122303018293224. Its totient is φ = 101919181911000.

The previous prime is 112111100102087. The next prime is 112111100102173. The reversal of 112111100102111 is 111201001111211.

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 112111100102111 - 2¹⁸ = 112111099839967 is a prime.

It is a super-2 number, since 2×112111100102111² (a number of 29 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 (112111100102311) 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, 5095959095540 + ... + 5095959095561.

It is an arithmetic number, because the mean of its divisors is an integer number (30575754573306).

Almost surely, 2^{112111100102111} is an apocalyptic number.

112111100102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112111100102111 is a deficient number, since it is larger than the sum of its proper divisors (10191918191113).

112111100102111 is a wasteful number, since it uses less digits than its factorization.

112111100102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191918191112.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 112111100102111 its reverse (111201001111211), we get a palindrome (223312101213322).

The spelling of 112111100102111 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred million, one hundred two thousand, one hundred eleven".