102210221100 has 72 divisors (see below), whose sum is σ = 318476578000. Its totient is φ = 25159438080.

The previous prime is 102210221039. The next prime is 102210221149. The reversal of 102210221100 is 1122012201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 13099975 + ... + 13107774.

Almost surely, 2^102210221100 is an apocalyptic number.

102210221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210221100 is an abundant number, since it is smaller than the sum of its proper divisors (216266356900).

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

102210221100 is a wasteful number, since it uses less digits than its factorization.

102210221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26207779 (or 26207772 counting only the distinct ones).

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

Adding to 102210221100 its reverse (1122012201), we get a palindrome (103332233301).

The spelling of 102210221100 in words is "one hundred two billion, two hundred ten million, two hundred twenty-one thousand, one hundred".