120102102220 has 48 divisors (see below), whose sum is σ = 253210190688. Its totient is φ = 47851453440.

The previous prime is 120102102217. The next prime is 120102102227. The reversal of 120102102220 is 22201201021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120102102220.

It is not an unprimeable number, because it can be changed into a prime (120102102227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7345174 + ... + 7361506.

It is an arithmetic number, because the mean of its divisors is an integer number (5275212306).

Almost surely, 2^120102102220 is an apocalyptic number.

120102102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102102220 is an abundant number, since it is smaller than the sum of its proper divisors (133108088468).

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

120102102220 is a wasteful number, since it uses less digits than its factorization.

120102102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770 (or 17768 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120102102220 its reverse (22201201021), we get a palindrome (142303303241).

The spelling of 120102102220 in words is "one hundred twenty billion, one hundred two million, one hundred two thousand, two hundred twenty".