102110111 has 2 divisors, whose sum is σ = 102110112. Its totient is φ = 102110110.

The previous prime is 102110101. The next prime is 102110167. The reversal of 102110111 is 111011201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102110111 - 2¹⁴ = 102093727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102110101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055055 + 51055056.

It is an arithmetic number, because the mean of its divisors is an integer number (51055056).

Almost surely, 2^102110111 is an apocalyptic number.

102110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110111 is an equidigital number, since it uses as much as digits as its factorization.

102110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 102110111 is about 10104.9547747627. The cubic root of 102110111 is about 467.4009413881.

Adding to 102110111 its reverse (111011201), we get a palindrome (213121312).

The spelling of 102110111 in words is "one hundred two million, one hundred ten thousand, one hundred eleven".