21200120301 has 8 divisors (see below), whose sum is σ = 28283471200. Its totient is φ = 14125091472.

The previous prime is 21200120269. The next prime is 21200120321. The reversal of 21200120301 is 10302100212.

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

It is not a de Polignac number, because 21200120301 - 2⁵ = 21200120269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200120321) 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 7 ways as a sum of consecutive naturals, for example, 2074570 + ... + 2084763.

It is an arithmetic number, because the mean of its divisors is an integer number (3535433900).

Almost surely, 2^21200120301 is an apocalyptic number.

It is an amenable number.

21200120301 is a deficient number, since it is larger than the sum of its proper divisors (7083350899).

21200120301 is a wasteful number, since it uses less digits than its factorization.

21200120301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161035.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21200120301 its reverse (10302100212), we get a palindrome (31502220513).

The spelling of 21200120301 in words is "twenty-one billion, two hundred million, one hundred twenty thousand, three hundred one".