220120120221221 has 8 divisors (see below), whose sum is σ = 240137488370784. Its totient is φ = 200103826759920.

The previous prime is 220120120221193. The next prime is 220120120221227. The reversal of 220120120221221 is 122122021021022.

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 220120120221221 - 2¹⁰ = 220120120220197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220120120221193 and 220120120221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120120221227) 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, 268243766 + ... + 269063111.

It is an arithmetic number, because the mean of its divisors is an integer number (30017186046348).

Almost surely, 2^{220120120221221} is an apocalyptic number.

It is an amenable number.

220120120221221 is a deficient number, since it is larger than the sum of its proper divisors (20017368149563).

220120120221221 is a wasteful number, since it uses less digits than its factorization.

220120120221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537344131.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220120120221221 its reverse (122122021021022), we get a palindrome (342242141242243).

It can be divided in two parts, 2201201 and 20221221, that added together give a palindrome (22422422).

The spelling of 220120120221221 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-one".