21012120003301 has 8 divisors (see below), whose sum is σ = 24186612954560. Its totient is φ = 17880817432608.

The previous prime is 21012120003283. The next prime is 21012120003337. The reversal of 21012120003301 is 10330002121012.

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

It is a cyclic number.

It is not a de Polignac number, because 21012120003301 - 2³³ = 21003530068709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21012120003401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10797594096 + ... + 10797596041.

It is an arithmetic number, because the mean of its divisors is an integer number (3023326619320).

Almost surely, 2^{21012120003301} is an apocalyptic number.

It is an amenable number.

21012120003301 is a deficient number, since it is larger than the sum of its proper divisors (3174492951259).

21012120003301 is a wasteful number, since it uses less digits than its factorization.

21012120003301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21595190283.

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

Adding to 21012120003301 its reverse (10330002121012), we get a palindrome (31342122124313).

The spelling of 21012120003301 in words is "twenty-one trillion, twelve billion, one hundred twenty million, three thousand, three hundred one".