213210102 has 16 divisors (see below), whose sum is σ = 487337472. Its totient is φ = 60917160.

The previous prime is 213210083. The next prime is 213210113. The reversal of 213210102 is 201012312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538174 + ... + 2538257.

It is an arithmetic number, because the mean of its divisors is an integer number (30458592).

Almost surely, 2^213210102 is an apocalyptic number.

213210102 is an abundant number, since it is smaller than the sum of its proper divisors (274127370).

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

213210102 is a wasteful number, since it uses less digits than its factorization.

213210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076443.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 213210102 is about 14601.7157211062. The cubic root of 213210102 is about 597.4055587386.

Adding to 213210102 its reverse (201012312), we get a palindrome (414222414).

It can be divided in two parts, 213210 and 102, that added together give a palindrome (213312).

The spelling of 213210102 in words is "two hundred thirteen million, two hundred ten thousand, one hundred two".