102002210 has 32 divisors (see below), whose sum is σ = 198089712. Its totient is φ = 37672960.

The previous prime is 102002191. The next prime is 102002249. The reversal of 102002210 is 12200201.

It can be written as a sum of positive squares in 8 ways, for example, as 44742721 + 57259489 = 6689^2 + 7567^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3350 + ... + 14670.

Almost surely, 2^102002210 is an apocalyptic number.

102002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102002210 is a deficient number, since it is larger than the sum of its proper divisors (96087502).

102002210 is a wasteful number, since it uses less digits than its factorization.

102002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398.

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

The square root of 102002210 is about 10099.6143490729. The cubic root of 102002210 is about 467.2362472708.

Adding to 102002210 its reverse (12200201), we get a palindrome (114202411).

The spelling of 102002210 in words is "one hundred two million, two thousand, two hundred ten".