102100302220 has 96 divisors (see below), whose sum is σ = 247544833536. Its totient is φ = 34649472000.

The previous prime is 102100302211. The next prime is 102100302281. The reversal of 102100302220 is 22203001201.

It is a self number, because there is not a number n which added to its sum of digits gives 102100302220.

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, 7347399 + ... + 7361281.

It is an arithmetic number, because the mean of its divisors is an integer number (2578592016).

Almost surely, 2^102100302220 is an apocalyptic number.

102100302220 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 102100302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123772416768).

102100302220 is an abundant number, since it is smaller than the sum of its proper divisors (145444531316).

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

102100302220 is a wasteful number, since it uses less digits than its factorization.

102100302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431 (or 14429 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102100302220 its reverse (22203001201), we get a palindrome (124303303421).

The spelling of 102100302220 in words is "one hundred two billion, one hundred million, three hundred two thousand, two hundred twenty".