220313034121 has 4 divisors (see below), whose sum is σ = 222584302612. Its totient is φ = 218041765632.

The previous prime is 220313034113. The next prime is 220313034143. The reversal of 220313034121 is 121430313022.

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 34517552521 + 185795481600 = 185789^2 + 431040^2 .

It is a cyclic number.

It is not a de Polignac number, because 220313034121 - 2³ = 220313034113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220313034092 and 220313034101.

It is not an unprimeable number, because it can be changed into a prime (220313014121) 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, 1135634100 + ... + 1135634293.

It is an arithmetic number, because the mean of its divisors is an integer number (55646075653).

Almost surely, 2^220313034121 is an apocalyptic number.

It is an amenable number.

220313034121 is a deficient number, since it is larger than the sum of its proper divisors (2271268491).

220313034121 is an equidigital number, since it uses as much as digits as its factorization.

220313034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271268490.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 220313034121 its reverse (121430313022), we get a palindrome (341743347143).

The spelling of 220313034121 in words is "two hundred twenty billion, three hundred thirteen million, thirty-four thousand, one hundred twenty-one".