102111012200111 has 2 divisors, whose sum is σ = 102111012200112. Its totient is φ = 102111012200110.

The previous prime is 102111012200027. The next prime is 102111012200143. The reversal of 102111012200111 is 111002210111201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102111012200111 - 2¹⁸ = 102111011937967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111012208111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055506100055 + 51055506100056.

It is an arithmetic number, because the mean of its divisors is an integer number (51055506100056).

Almost surely, 2^{102111012200111} is an apocalyptic number.

102111012200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111012200111 is an equidigital number, since it uses as much as digits as its factorization.

102111012200111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102111012200111 its reverse (111002210111201), we get a palindrome (213113222311312).

The spelling of 102111012200111 in words is "one hundred two trillion, one hundred eleven billion, twelve million, two hundred thousand, one hundred eleven".