210112102112111 has 4 divisors (see below), whose sum is σ = 210127623445152. Its totient is φ = 210096580779072.

The previous prime is 210112102112027. The next prime is 210112102112153. The reversal of 210112102112111 is 111211201211012.

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 210112102112111 - 2¹⁸ = 210112101849967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210112102112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112102112161) 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, 7760646215 + ... + 7760673288.

It is an arithmetic number, because the mean of its divisors is an integer number (52531905861288).

Almost surely, 2^{210112102112111} is an apocalyptic number.

210112102112111 is a deficient number, since it is larger than the sum of its proper divisors (15521333041).

210112102112111 is a wasteful number, since it uses less digits than its factorization.

210112102112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521333040.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 210112102112111 its reverse (111211201211012), we get a palindrome (321323303323123).

The spelling of 210112102112111 in words is "two hundred ten trillion, one hundred twelve billion, one hundred two million, one hundred twelve thousand, one hundred eleven".