101221322321 has 4 divisors (see below), whose sum is σ = 115681511232. Its totient is φ = 86761133412.

The previous prime is 101221322273. The next prime is 101221322341. The reversal of 101221322321 is 123223122101.

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 101221322321 - 2¹⁸ = 101221060177 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101221322293 and 101221322302.

It is not an unprimeable number, because it can be changed into a prime (101221322341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7230094445 + ... + 7230094458.

It is an arithmetic number, because the mean of its divisors is an integer number (28920377808).

Almost surely, 2^101221322321 is an apocalyptic number.

It is an amenable number.

101221322321 is a deficient number, since it is larger than the sum of its proper divisors (14460188911).

101221322321 is an equidigital number, since it uses as much as digits as its factorization.

101221322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460188910.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101221322321 its reverse (123223122101), we get a palindrome (224444444422).

The spelling of 101221322321 in words is "one hundred one billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty-one".