102111167 has 4 divisors (see below), whose sum is σ = 102152256. Its totient is φ = 102070080.

The previous prime is 102111161. The next prime is 102111173. The reversal of 102111167 is 761111201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102111161) and next prime (102111173).

It is a cyclic number.

It is not a de Polignac number, because 102111167 - 2⁴ = 102111151 is a prime.

It is a super-2 number, since 2×102111167² = 20853380852203778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16559 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (25538064).

Almost surely, 2^102111167 is an apocalyptic number.

102111167 is a deficient number, since it is larger than the sum of its proper divisors (41089).

102111167 is an equidigital number, since it uses as much as digits as its factorization.

102111167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41088.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 102111167 is about 10105.0070262222. The cubic root of 102111167 is about 467.4025526347.

Adding to 102111167 its reverse (761111201), we get a palindrome (863222368).

The spelling of 102111167 in words is "one hundred two million, one hundred eleven thousand, one hundred sixty-seven".