101220322320321 has 4 divisors (see below), whose sum is σ = 134960429760432. Its totient is φ = 67480214880212.

The previous prime is 101220322320319. The next prime is 101220322320329. The reversal of 101220322320321 is 123023223022101.

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 101220322320321 - 2¹ = 101220322320319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101220322320291 and 101220322320300.

It is not an unprimeable number, because it can be changed into a prime (101220322320329) 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, 16870053720051 + ... + 16870053720056.

It is an arithmetic number, because the mean of its divisors is an integer number (33740107440108).

Almost surely, 2^{101220322320321} is an apocalyptic number.

It is an amenable number.

101220322320321 is a deficient number, since it is larger than the sum of its proper divisors (33740107440111).

101220322320321 is an equidigital number, since it uses as much as digits as its factorization.

101220322320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33740107440110.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 101220322320321 its reverse (123023223022101), we get a palindrome (224243545342422).

The spelling of 101220322320321 in words is "one hundred one trillion, two hundred twenty billion, three hundred twenty-two million, three hundred twenty thousand, three hundred twenty-one".