130321121100 has 144 divisors (see below), whose sum is σ = 416601335808. Its totient is φ = 31285928960.

The previous prime is 130321121071. The next prime is 130321121111. The reversal of 130321121100 is 1121123031.

It is a happy number.

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 130321121100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438204 + ... + 672803.

It is an arithmetic number, because the mean of its divisors is an integer number (2893064832).

Almost surely, 2^130321121100 is an apocalyptic number.

130321121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130321121100 is an abundant number, since it is smaller than the sum of its proper divisors (286280214708).

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

130321121100 is a wasteful number, since it uses less digits than its factorization.

130321121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111064 (or 1111057 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 130321121100 its reverse (1121123031), we get a palindrome (131442244131).

The spelling of 130321121100 in words is "one hundred thirty billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred".