130121022321 has 32 divisors (see below), whose sum is σ = 203282524800. Its totient is φ = 82033974720.

The previous prime is 130121022313. The next prime is 130121022331. The reversal of 130121022321 is 123220121031.

130121022321 is a `hidden beast` number, since 1 + 301 + 21 + 0 + 22 + 321 = 666.

It is not a de Polignac number, because 130121022321 - 2³ = 130121022313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130121022294 and 130121022303.

It is not an unprimeable number, because it can be changed into a prime (130121022331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58051 + ... + 513431.

It is an arithmetic number, because the mean of its divisors is an integer number (6352578900).

Almost surely, 2^130121022321 is an apocalyptic number.

It is an amenable number.

130121022321 is a deficient number, since it is larger than the sum of its proper divisors (73161502479).

130121022321 is a wasteful number, since it uses less digits than its factorization.

130121022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455966 (or 455960 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 130121022321 its reverse (123220121031), we get a palindrome (253341143352).

The spelling of 130121022321 in words is "one hundred thirty billion, one hundred twenty-one million, twenty-two thousand, three hundred twenty-one".