130001300021 has 16 divisors (see below), whose sum is σ = 138054533760. Its totient is φ = 122204886720.

The previous prime is 130001299997. The next prime is 130001300041. The reversal of 130001300021 is 120003100031.

It is a cyclic number.

It is not a de Polignac number, because 130001300021 - 2⁶ = 130001299957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130001299975 and 130001300011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130001300041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220211 + ... + 555423.

It is an arithmetic number, because the mean of its divisors is an integer number (8628408360).

Almost surely, 2^130001300021 is an apocalyptic number.

It is an amenable number.

130001300021 is a deficient number, since it is larger than the sum of its proper divisors (8053233739).

130001300021 is a wasteful number, since it uses less digits than its factorization.

130001300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335596.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 130001300021 its reverse (120003100031), we get a palindrome (250004400052).

The spelling of 130001300021 in words is "one hundred thirty billion, one million, three hundred thousand, twenty-one".