21333214312201 has 4 divisors (see below), whose sum is σ = 23272597431504. Its totient is φ = 19393831192900.

The previous prime is 21333214312181. The next prime is 21333214312243. The reversal of 21333214312201 is 10221341233312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21333214312201 - 2²³ = 21333205923593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21333214312201.

It is not an unprimeable number, because it can be changed into a prime (21333214312261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969691559635 + ... + 969691559656.

It is an arithmetic number, because the mean of its divisors is an integer number (5818149357876).

Almost surely, 2^{21333214312201} is an apocalyptic number.

It is an amenable number.

21333214312201 is a deficient number, since it is larger than the sum of its proper divisors (1939383119303).

21333214312201 is a wasteful number, since it uses less digits than its factorization.

21333214312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939383119302.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 21333214312201 its reverse (10221341233312), we get a palindrome (31554555545513).

The spelling of 21333214312201 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred fourteen million, three hundred twelve thousand, two hundred one".