102100201210 has 128 divisors (see below), whose sum is σ = 217226354688. Its totient is φ = 33825600000.

The previous prime is 102100201193. The next prime is 102100201243. The reversal of 102100201210 is 12102001201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195220009 + ... + 195220531.

It is an arithmetic number, because the mean of its divisors is an integer number (1697080896).

Almost surely, 2^102100201210 is an apocalyptic number.

102100201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100201210 is an abundant number, since it is smaller than the sum of its proper divisors (115126153478).

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

102100201210 is a wasteful number, since it uses less digits than its factorization.

102100201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102100201210 its reverse (12102001201), we get a palindrome (114202202411).

Subtracting from 102100201210 its reverse (12102001201), we obtain a square (89998200009 = 299997²).

The spelling of 102100201210 in words is "one hundred two billion, one hundred million, two hundred one thousand, two hundred ten".