102111214 has 24 divisors (see below), whose sum is σ = 169802928. Its totient is φ = 45957120.

The previous prime is 102111203. The next prime is 102111239. The reversal of 102111214 is 412111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111194 and 102111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9454 + ... + 17134.

It is an arithmetic number, because the mean of its divisors is an integer number (7075122).

Almost surely, 2^102111214 is an apocalyptic number.

102111214 is a deficient number, since it is larger than the sum of its proper divisors (67691714).

102111214 is a wasteful number, since it uses less digits than its factorization.

102111214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740 (or 7723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 102111214 is about 10105.0093518017. The cubic root of 102111214 is about 467.4026243471.

Subtracting from 102111214 its sum of digits (13), we obtain a palindrome (102111201).

Adding to 102111214 its reverse (412111201), we get a palindrome (514222415).

The spelling of 102111214 in words is "one hundred two million, one hundred eleven thousand, two hundred fourteen".