102211323020 has 96 divisors (see below), whose sum is σ = 223615365120. Its totient is φ = 39196604160.

The previous prime is 102211323013. The next prime is 102211323083. The reversal of 102211323020 is 20323112201.

It is a self number, because there is not a number n which added to its sum of digits gives 102211323020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67644065 + ... + 67645575.

It is an arithmetic number, because the mean of its divisors is an integer number (2329326720).

Almost surely, 2^102211323020 is an apocalyptic number.

102211323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102211323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111807682560).

102211323020 is an abundant number, since it is smaller than the sum of its proper divisors (121404042100).

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

102211323020 is a wasteful number, since it uses less digits than its factorization.

102211323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102211323020 its reverse (20323112201), we get a palindrome (122534435221).

The spelling of 102211323020 in words is "one hundred two billion, two hundred eleven million, three hundred twenty-three thousand, twenty".