21122232322201 has 8 divisors (see below), whose sum is σ = 21132275514624. Its totient is φ = 21112190856960.

The previous prime is 21122232322153. The next prime is 21122232322231. The reversal of 21122232322201 is 10222323222112.

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 21122232322201 - 2¹¹ = 21122232320153 is a prime.

It is a super-2 number, since 2×21122232322201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122232322231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24370356 + ... + 25222186.

It is an arithmetic number, because the mean of its divisors is an integer number (2641534439328).

Almost surely, 2^{21122232322201} is an apocalyptic number.

It is an amenable number.

21122232322201 is a deficient number, since it is larger than the sum of its proper divisors (10043192423).

21122232322201 is an equidigital number, since it uses as much as digits as its factorization.

21122232322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863591.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21122232322201 its reverse (10222323222112), we get a palindrome (31344555544313).

The spelling of 21122232322201 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred one".