101200220323221 has 4 divisors (see below), whose sum is σ = 134933627097632. Its totient is φ = 67466813548812.

The previous prime is 101200220323217. The next prime is 101200220323249. The reversal of 101200220323221 is 122323022002101.

101200220323221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 101200220323221 - 2² = 101200220323217 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 (101200220323261) 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, 16866703387201 + ... + 16866703387206.

It is an arithmetic number, because the mean of its divisors is an integer number (33733406774408).

Almost surely, 2^{101200220323221} is an apocalyptic number.

It is an amenable number.

101200220323221 is a deficient number, since it is larger than the sum of its proper divisors (33733406774411).

101200220323221 is an equidigital number, since it uses as much as digits as its factorization.

101200220323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733406774410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101200220323221 its reverse (122323022002101), we get a palindrome (223523242325322).

The spelling of 101200220323221 in words is "one hundred one trillion, two hundred billion, two hundred twenty million, three hundred twenty-three thousand, two hundred twenty-one".