102113210 has 8 divisors (see below), whose sum is σ = 183803796. Its totient is φ = 40845280.

The previous prime is 102113197. The next prime is 102113213. The reversal of 102113210 is 12311201.

It can be written as a sum of positive squares in 2 ways, for example, as 91374481 + 10738729 = 9559^2 + 3277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102113191 and 102113200.

It is not an unprimeable number, because it can be changed into a prime (102113213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105651 + ... + 5105670.

Almost surely, 2^102113210 is an apocalyptic number.

102113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102113210 is a deficient number, since it is larger than the sum of its proper divisors (81690586).

102113210 is a wasteful number, since it uses less digits than its factorization.

102113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211328.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102113210 is about 10105.1081142163. The cubic root of 102113210 is about 467.4056698160.

Adding to 102113210 its reverse (12311201), we get a palindrome (114424411).

The spelling of 102113210 in words is "one hundred two million, one hundred thirteen thousand, two hundred ten".