102210668 has 18 divisors (see below), whose sum is σ = 208072116. Its totient is φ = 43804488.

The previous prime is 102210623. The next prime is 102210673. The reversal of 102210668 is 866012201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260546 + ... + 260937.

It is an arithmetic number, because the mean of its divisors is an integer number (11559562).

Almost surely, 2^102210668 is an apocalyptic number.

It is an amenable number.

102210668 is an abundant number, since it is smaller than the sum of its proper divisors (105861448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102210668 is a wasteful number, since it uses less digits than its factorization.

102210668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521501 (or 521492 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102210668 is about 10109.9291787826. The cubic root of 102210668 is about 467.5543216163.

Adding to 102210668 its reverse (866012201), we get a palindrome (968222869).

The spelling of 102210668 in words is "one hundred two million, two hundred ten thousand, six hundred sixty-eight".