102113111 has 2 divisors, whose sum is σ = 102113112. Its totient is φ = 102113110.

The previous prime is 102113047. The next prime is 102113117. The reversal of 102113111 is 111311201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102113111 - 2⁶ = 102113047 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102113092 and 102113101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102113117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056555 + 51056556.

It is an arithmetic number, because the mean of its divisors is an integer number (51056556).

Almost surely, 2^102113111 is an apocalyptic number.

102113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102113111 is an equidigital number, since it uses as much as digits as its factorization.

102113111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 102113111 is about 10105.1032157025. The cubic root of 102113111 is about 467.4055187641.

Adding to 102113111 its reverse (111311201), we get a palindrome (213424312).

The spelling of 102113111 in words is "one hundred two million, one hundred thirteen thousand, one hundred eleven".