21030021032301 has 32 divisors (see below), whose sum is σ = 31357772709120. Its totient is φ = 13929293682432.

The previous prime is 21030021032297. The next prime is 21030021032327. The reversal of 21030021032301 is 10323012003012.

21030021032301 is a `hidden beast` number, since 2 + 10 + 300 + 21 + 0 + 32 + 301 = 666.

It is not a de Polignac number, because 21030021032301 - 2² = 21030021032297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030021036301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782425 + ... + 6532398.

It is an arithmetic number, because the mean of its divisors is an integer number (979930397160).

Almost surely, 2^{21030021032301} is an apocalyptic number.

It is an amenable number.

21030021032301 is a deficient number, since it is larger than the sum of its proper divisors (10327751676819).

21030021032301 is a wasteful number, since it uses less digits than its factorization.

21030021032301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315522 (or 7315516 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21030021032301 its reverse (10323012003012), we get a palindrome (31353033035313).

The spelling of 21030021032301 in words is "twenty-one trillion, thirty billion, twenty-one million, thirty-two thousand, three hundred one".