220010100000321 has 4 divisors (see below), whose sum is σ = 293346800000432. Its totient is φ = 146673400000212.

The previous prime is 220010100000281. The next prime is 220010100000323. The reversal of 220010100000321 is 123000001010022.

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 not a de Polignac number, because 220010100000321 - 2¹³ = 220010099992129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220010100000297 and 220010100000306.

It is not an unprimeable number, because it can be changed into a prime (220010100000323) 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, 36668350000051 + ... + 36668350000056.

It is an arithmetic number, because the mean of its divisors is an integer number (73336700000108).

Almost surely, 2^{220010100000321} is an apocalyptic number.

It is an amenable number.

220010100000321 is a deficient number, since it is larger than the sum of its proper divisors (73336700000111).

220010100000321 is an equidigital number, since it uses as much as digits as its factorization.

220010100000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73336700000110.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 220010100000321 its reverse (123000001010022), we get a palindrome (343010101010343).

The spelling of 220010100000321 in words is "two hundred twenty trillion, ten billion, one hundred million, three hundred twenty-one", and thus it is an aban number.