130221221100 has 72 divisors (see below), whose sum is σ = 380431484160. Its totient is φ = 34388508480.

The previous prime is 130221221077. The next prime is 130221221107. The reversal of 130221221100 is 1122122031.

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 130221221100.

It is not an unprimeable number, because it can be changed into a prime (130221221107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2076240 + ... + 2138039.

Almost surely, 2^130221221100 is an apocalyptic number.

130221221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130221221100 is an abundant number, since it is smaller than the sum of its proper divisors (250210263060).

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

130221221100 is a wasteful number, since it uses less digits than its factorization.

130221221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214399 (or 4214392 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 130221221100 its reverse (1122122031), we get a palindrome (131343343131).

The spelling of 130221221100 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred".