102211102010220 has 96 divisors (see below), whose sum is σ = 327145977543168. Its totient is φ = 23357505380352.

The previous prime is 102211102010209. The next prime is 102211102010243. The reversal of 102211102010220 is 22010201112201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102211102010220.

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, 24257109 + ... + 28157228.

It is an arithmetic number, because the mean of its divisors is an integer number (3407770599408).

Almost surely, 2^{102211102010220} is an apocalyptic number.

102211102010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211102010220 is an abundant number, since it is smaller than the sum of its proper divisors (224934875532948).

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

102211102010220 is a wasteful number, since it uses less digits than its factorization.

102211102010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52418999 (or 52418997 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102211102010220 its reverse (22010201112201), we get a palindrome (124221303122421).

The spelling of 102211102010220 in words is "one hundred two trillion, two hundred eleven billion, one hundred two million, ten thousand, two hundred twenty".