21300231220001 has 8 divisors (see below), whose sum is σ = 21476465547264. Its totient is φ = 21124129955040.

The previous prime is 21300231219983. The next prime is 21300231220003. The reversal of 21300231220001 is 10002213200312.

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 21300231220001 - 2¹⁴ = 21300231203617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300231220003) 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, 32944085 + ... + 33584418.

It is an arithmetic number, because the mean of its divisors is an integer number (2684558193408).

Almost surely, 2^{21300231220001} is an apocalyptic number.

It is an amenable number.

21300231220001 is a deficient number, since it is larger than the sum of its proper divisors (176234327263).

21300231220001 is a wasteful number, since it uses less digits than its factorization.

21300231220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66531151.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21300231220001 its reverse (10002213200312), we get a palindrome (31302444420313).

The spelling of 21300231220001 in words is "twenty-one trillion, three hundred billion, two hundred thirty-one million, two hundred twenty thousand, one".