1300321120021 has 64 divisors (see below), whose sum is σ = 1674835937280. Its totient is φ = 980200488960.

The previous prime is 1300321120009. The next prime is 1300321120031. The reversal of 1300321120021 is 1200211230031.

It is not a de Polignac number, because 1300321120021 - 2⁷ = 1300321119893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300321119977 and 1300321120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300321120031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152311665 + ... + 152320201.

It is an arithmetic number, because the mean of its divisors is an integer number (26169311520).

Almost surely, 2^{1300321120021} is an apocalyptic number.

1300321120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1300321120021 is a deficient number, since it is larger than the sum of its proper divisors (374514817259).

1300321120021 is a wasteful number, since it uses less digits than its factorization.

1300321120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1300321120021 its reverse (1200211230031), we get a palindrome (2500532350052).

The spelling of 1300321120021 in words is "one trillion, three hundred billion, three hundred twenty-one million, one hundred twenty thousand, twenty-one".