220113143321 has 4 divisors (see below), whose sum is σ = 220864383012. Its totient is φ = 219361903632.

The previous prime is 220113143297. The next prime is 220113143329. The reversal of 220113143321 is 123341311022.

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 203834190400 + 16278952921 = 451480^2 + 127589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220113143321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220113143329) 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, 375619406 + ... + 375619991.

It is an arithmetic number, because the mean of its divisors is an integer number (55216095753).

Almost surely, 2^220113143321 is an apocalyptic number.

It is an amenable number.

220113143321 is a deficient number, since it is larger than the sum of its proper divisors (751239691).

220113143321 is an equidigital number, since it uses as much as digits as its factorization.

220113143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751239690.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 220113143321 its reverse (123341311022), we get a palindrome (343454454343).

The spelling of 220113143321 in words is "two hundred twenty billion, one hundred thirteen million, one hundred forty-three thousand, three hundred twenty-one".