130221200121 has 8 divisors (see below), whose sum is σ = 174246162144. Its totient is φ = 86505185760.

The previous prime is 130221200117. The next prime is 130221200159. The reversal of 130221200121 is 121002122031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130221200121 - 2² = 130221200117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130221200121.

It is not an unprimeable number, because it can be changed into a prime (130221250121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77235931 + ... + 77237616.

It is an arithmetic number, because the mean of its divisors is an integer number (21780770268).

Almost surely, 2^130221200121 is an apocalyptic number.

It is an amenable number.

130221200121 is a deficient number, since it is larger than the sum of its proper divisors (44024962023).

130221200121 is a wasteful number, since it uses less digits than its factorization.

130221200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154473831.

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

Adding to 130221200121 its reverse (121002122031), we get a palindrome (251223322152).

The spelling of 130221200121 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred thousand, one hundred twenty-one".