102111014 has 4 divisors (see below), whose sum is σ = 153166524. Its totient is φ = 51055506.

The previous prime is 102110971. The next prime is 102111029. The reversal of 102111014 is 410111201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102110986 and 102111004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527752 + ... + 25527755.

It is an arithmetic number, because the mean of its divisors is an integer number (38291631).

Almost surely, 2^102111014 is an apocalyptic number.

102111014 is a deficient number, since it is larger than the sum of its proper divisors (51055510).

102111014 is an equidigital number, since it uses as much as digits as its factorization.

102111014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51055509.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 102111014 is about 10104.9994557150. Note that the first 3 decimals coincide. The cubic root of 102111014 is about 467.4023191877.

Adding to 102111014 its sum of digits (11), we get a square (102111025 = 10105²).

Adding to 102111014 its reverse (410111201), we get a palindrome (512222215).

The spelling of 102111014 in words is "one hundred two million, one hundred eleven thousand, fourteen".