220010311321 has 4 divisors (see below), whose sum is σ = 220042849552. Its totient is φ = 219977773092.

The previous prime is 220010311243. The next prime is 220010311331. The reversal of 220010311321 is 123113010022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220010311321 - 2²⁵ = 219976756889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220010311295 and 220010311304.

It is not an unprimeable number, because it can be changed into a prime (220010311331) 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, 16258971 + ... + 16272496.

It is an arithmetic number, because the mean of its divisors is an integer number (55010712388).

Almost surely, 2^220010311321 is an apocalyptic number.

It is an amenable number.

220010311321 is a deficient number, since it is larger than the sum of its proper divisors (32538231).

220010311321 is an equidigital number, since it uses as much as digits as its factorization.

220010311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32538230.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220010311321 its reverse (123113010022), we get a palindrome (343123321343).

The spelling of 220010311321 in words is "two hundred twenty billion, ten million, three hundred eleven thousand, three hundred twenty-one".