102112201112111 has 2 divisors, whose sum is σ = 102112201112112. Its totient is φ = 102112201112110.

The previous prime is 102112201112057. The next prime is 102112201112167. The reversal of 102112201112111 is 111211102211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102112201112111 - 2¹⁰ = 102112201111087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102112201112111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112201117111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056100556055 + 51056100556056.

It is an arithmetic number, because the mean of its divisors is an integer number (51056100556056).

Almost surely, 2^{102112201112111} is an apocalyptic number.

102112201112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112201112111 is an equidigital number, since it uses as much as digits as its factorization.

102112201112111 is an evil number, because the sum of its binary digits is even.

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

Adding to 102112201112111 its reverse (111211102211201), we get a palindrome (213323303323312).

The spelling of 102112201112111 in words is "one hundred two trillion, one hundred twelve billion, two hundred one million, one hundred twelve thousand, one hundred eleven".