102102212002220 has 12 divisors (see below), whose sum is σ = 214414645204704. Its totient is φ = 40840884800880.

The previous prime is 102102212002207. The next prime is 102102212002247. The reversal of 102102212002220 is 22200212201201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552555300036 + ... + 2552555300075.

It is an arithmetic number, because the mean of its divisors is an integer number (17867887100392).

Almost surely, 2^{102102212002220} is an apocalyptic number.

102102212002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102102212002220 is an abundant number, since it is smaller than the sum of its proper divisors (112312433202484).

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

102102212002220 is a wasteful number, since it uses less digits than its factorization.

102102212002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105110600120 (or 5105110600118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102102212002220 its reverse (22200212201201), we get a palindrome (124302424203421).

The spelling of 102102212002220 in words is "one hundred two trillion, one hundred two billion, two hundred twelve million, two thousand, two hundred twenty".