102021210102 has 16 divisors (see below), whose sum is σ = 233191337472. Its totient is φ = 29148917160.

The previous prime is 102021210013. The next prime is 102021210119. The reversal of 102021210102 is 201012120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214538174 + ... + 1214538257.

It is an arithmetic number, because the mean of its divisors is an integer number (14574458592).

Almost surely, 2^102021210102 is an apocalyptic number.

102021210102 is an abundant number, since it is smaller than the sum of its proper divisors (131170127370).

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

102021210102 is a wasteful number, since it uses less digits than its factorization.

102021210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429076443.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102021210102 its reverse (201012120201), we get a palindrome (303033330303).

The spelling of 102021210102 in words is "one hundred two billion, twenty-one million, two hundred ten thousand, one hundred two".