21312300322201 has 24 divisors (see below), whose sum is σ = 24590071134720. Its totient is φ = 18094461696192.

The previous prime is 21312300322193. The next prime is 21312300322231. The reversal of 21312300322201 is 10222300321312.

It is not a de Polignac number, because 21312300322201 - 2³ = 21312300322193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21312300322231) 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 23 ways as a sum of consecutive naturals, for example, 795726456 + ... + 795753238.

It is an arithmetic number, because the mean of its divisors is an integer number (1024586297280).

Almost surely, 2^{21312300322201} is an apocalyptic number.

It is an amenable number.

21312300322201 is a deficient number, since it is larger than the sum of its proper divisors (3277770812519).

21312300322201 is an equidigital number, since it uses as much as digits as its factorization.

21312300322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36933 (or 36826 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21312300322201 its reverse (10222300321312), we get a palindrome (31534600643513).

The spelling of 21312300322201 in words is "twenty-one trillion, three hundred twelve billion, three hundred million, three hundred twenty-two thousand, two hundred one".