220313310111121 has 4 divisors (see below), whose sum is σ = 224470165018932. Its totient is φ = 216156455203312.

The previous prime is 220313310111113. The next prime is 220313310111161. The reversal of 220313310111121 is 121111013313022.

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 102114339466896 + 118198970644225 = 10105164^2 + 10871935^2 .

It is a cyclic number.

It is not a de Polignac number, because 220313310111121 - 2³ = 220313310111113 is a prime.

It is a super-2 number, since 2×220313310111121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220313310111092 and 220313310111101.

It is not an unprimeable number, because it can be changed into a prime (220313310111161) 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 3 ways as a sum of consecutive naturals, for example, 2078427453826 + ... + 2078427453931.

It is an arithmetic number, because the mean of its divisors is an integer number (56117541254733).

Almost surely, 2^{220313310111121} is an apocalyptic number.

It is an amenable number.

220313310111121 is a deficient number, since it is larger than the sum of its proper divisors (4156854907811).

220313310111121 is an equidigital number, since it uses as much as digits as its factorization.

220313310111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156854907810.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 220313310111121 its reverse (121111013313022), we get a palindrome (341424323424143).

The spelling of 220313310111121 in words is "two hundred twenty trillion, three hundred thirteen billion, three hundred ten million, one hundred eleven thousand, one hundred twenty-one".