100102210 has 32 divisors (see below), whose sum is σ = 202487040. Its totient is φ = 35352768.

The previous prime is 100102207. The next prime is 100102217. The reversal of 100102210 is 12201001.

It is a junction number, because it is equal to n+sod(n) for n = 100102193 and 100102202.

It is not an unprimeable number, because it can be changed into a prime (100102217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13750 + ... + 19729.

It is an arithmetic number, because the mean of its divisors is an integer number (6327720).

Almost surely, 2^100102210 is an apocalyptic number.

100102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100102210 is an abundant number, since it is smaller than the sum of its proper divisors (102384830).

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

100102210 is a wasteful number, since it uses less digits than its factorization.

100102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33522.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100102210 is about 10005.1091948064. The cubic root of 100102210 is about 464.3169684455.

Adding to 100102210 its reverse (12201001), we get a palindrome (112303211).

The spelling of 100102210 in words is "one hundred million, one hundred two thousand, two hundred ten".