220323003121 has 6 divisors (see below), whose sum is σ = 238574613030. Its totient is φ = 203375079648.

The previous prime is 220323003113. The next prime is 220323003133. The reversal of 220323003121 is 121300323022.

220323003121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7562215521 + 212760787600 = 86961^2 + 461260^2 .

It is not a de Polignac number, because 220323003121 - 2³ = 220323003113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220323003221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651843036 + ... + 651843373.

It is an arithmetic number, because the mean of its divisors is an integer number (39762435505).

Almost surely, 2^220323003121 is an apocalyptic number.

It is an amenable number.

220323003121 is a deficient number, since it is larger than the sum of its proper divisors (18251609909).

220323003121 is a wasteful number, since it uses less digits than its factorization.

220323003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303686435 (or 1303686422 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220323003121 its reverse (121300323022), we get a palindrome (341623326143).

The spelling of 220323003121 in words is "two hundred twenty billion, three hundred twenty-three million, three thousand, one hundred twenty-one".