102102221200210 has 128 divisors (see below), whose sum is σ = 236613013401600. Its totient is φ = 30798799153920.

The previous prime is 102102221200201. The next prime is 102102221200229. The reversal of 102102221200210 is 12002122201201.

It is a happy number.

It is a super-2 number, since 2×102102221200210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10536550 + ... + 17754529.

It is an arithmetic number, because the mean of its divisors is an integer number (1848539167200).

Almost surely, 2^{102102221200210} is an apocalyptic number.

102102221200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102221200210 is an abundant number, since it is smaller than the sum of its proper divisors (134510792201390).

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

102102221200210 is a wasteful number, since it uses less digits than its factorization.

102102221200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28291256.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102102221200210 its reverse (12002122201201), we get a palindrome (114104343401411).

The spelling of 102102221200210 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-one million, two hundred thousand, two hundred ten".