21000023332301 has 8 divisors (see below), whose sum is σ = 22619382316440. Its totient is φ = 19381231858752.

The previous prime is 21000023332291. The next prime is 21000023332373. The reversal of 21000023332301 is 10323332000012.

It can be written as a sum of positive squares in 4 ways, for example, as 1215007971076 + 19785015361225 = 1102274^2 + 4448035^2 .

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 21000023332301 - 2⁶ = 21000023332237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000023332201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141800786 + ... + 141948803.

It is an arithmetic number, because the mean of its divisors is an integer number (2827422789555).

Almost surely, 2^{21000023332301} is an apocalyptic number.

It is an amenable number.

21000023332301 is a deficient number, since it is larger than the sum of its proper divisors (1619358984139).

21000023332301 is a wasteful number, since it uses less digits than its factorization.

21000023332301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283755295.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21000023332301 its reverse (10323332000012), we get a palindrome (31323355332313).

The spelling of 21000023332301 in words is "twenty-one trillion, twenty-three million, three hundred thirty-two thousand, three hundred one".