21223321311301 has 4 divisors (see below), whose sum is σ = 21323905772704. Its totient is φ = 21122736849900.

The previous prime is 21223321311217. The next prime is 21223321311329. The reversal of 21223321311301 is 10311312332212.

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 21223321311301 - 2³⁹ = 20673565497413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223321311901) 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 3 ways as a sum of consecutive naturals, for example, 50292230385 + ... + 50292230806.

It is an arithmetic number, because the mean of its divisors is an integer number (5330976443176).

Almost surely, 2^{21223321311301} is an apocalyptic number.

It is an amenable number.

21223321311301 is a deficient number, since it is larger than the sum of its proper divisors (100584461403).

21223321311301 is a wasteful number, since it uses less digits than its factorization.

21223321311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100584461402.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21223321311301 its reverse (10311312332212), we get a palindrome (31534633643513).

The spelling of 21223321311301 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred twenty-one million, three hundred eleven thousand, three hundred one".