102111206 has 16 divisors (see below), whose sum is σ = 163503360. Its totient is φ = 47685960.

The previous prime is 102111203. The next prime is 102111239. The reversal of 102111206 is 602111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16226 + ... + 21621.

It is an arithmetic number, because the mean of its divisors is an integer number (10218960).

Almost surely, 2^102111206 is an apocalyptic number.

102111206 is a deficient number, since it is larger than the sum of its proper divisors (61392154).

102111206 is a wasteful number, since it uses less digits than its factorization.

102111206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37939.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 102111206 is about 10105.0089559584. The cubic root of 102111206 is about 467.4026121407.

Adding to 102111206 its reverse (602111201), we get a palindrome (704222407).

The spelling of 102111206 in words is "one hundred two million, one hundred eleven thousand, two hundred six".