220230322121 has 4 divisors (see below), whose sum is σ = 220587260052. Its totient is φ = 219873384192.

The previous prime is 220230322061. The next prime is 220230322241. The reversal of 220230322121 is 121223032022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3242049721 + 216988272400 = 56939^2 + 465820^2 .

It is a cyclic number.

It is not a de Polignac number, because 220230322121 - 2¹⁰ = 220230321097 is a prime.

It is a super-3 number, since 3×220230322121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220230322093 and 220230322102.

It is not an unprimeable number, because it can be changed into a prime (220230322021) 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, 178468040 + ... + 178469273.

It is an arithmetic number, because the mean of its divisors is an integer number (55146815013).

Almost surely, 2^220230322121 is an apocalyptic number.

It is an amenable number.

220230322121 is a deficient number, since it is larger than the sum of its proper divisors (356937931).

220230322121 is an equidigital number, since it uses as much as digits as its factorization.

220230322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356937930.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220230322121 its reverse (121223032022), we get a palindrome (341453354143).

The spelling of 220230322121 in words is "two hundred twenty billion, two hundred thirty million, three hundred twenty-two thousand, one hundred twenty-one".