102013111 has 2 divisors, whose sum is σ = 102013112. Its totient is φ = 102013110.

The previous prime is 102013103. The next prime is 102013151. The reversal of 102013111 is 111310201.

It is a weak prime.

It is an emirp because it is prime and its reverse (111310201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102013111 - 2³ = 102013103 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 (102013151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006555 + 51006556.

It is an arithmetic number, because the mean of its divisors is an integer number (51006556).

Almost surely, 2^102013111 is an apocalyptic number.

102013111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102013111 is an equidigital number, since it uses as much as digits as its factorization.

102013111 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 10.

The square root of 102013111 is about 10100.1540087268. The cubic root of 102013111 is about 467.2528912268.

Adding to 102013111 its reverse (111310201), we get a palindrome (213323312).

The spelling of 102013111 in words is "one hundred two million, thirteen thousand, one hundred eleven".