21223320301201 has 8 divisors (see below), whose sum is σ = 22475853936360. Its totient is φ = 19971242558208.

The previous prime is 21223320301193. The next prime is 21223320301237. The reversal of 21223320301201 is 10210302332212.

It can be written as a sum of positive squares in 4 ways, for example, as 18373233532801 + 2850086768400 = 4286401^2 + 1688220^2 .

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 21223320301201 - 2³ = 21223320301193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21223320331201) 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, 113877186 + ... + 114063403.

It is an arithmetic number, because the mean of its divisors is an integer number (2809481742045).

Almost surely, 2^{21223320301201} is an apocalyptic number.

It is an amenable number.

21223320301201 is a deficient number, since it is larger than the sum of its proper divisors (1252533635159).

21223320301201 is a wasteful number, since it uses less digits than its factorization.

21223320301201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227946083.

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

Adding to 21223320301201 its reverse (10210302332212), we get a palindrome (31433622633413).

The spelling of 21223320301201 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred twenty million, three hundred one thousand, two hundred one".