320220121022051 has 2 divisors, whose sum is σ = 320220121022052. Its totient is φ = 320220121022050.

The previous prime is 320220121022003. The next prime is 320220121022059. The reversal of 320220121022051 is 150220121022023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320220121022051 - 2¹⁰ = 320220121021027 is a prime.

It is not a weakly prime, because it can be changed into another prime (320220121022059) 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 as a sum of consecutive naturals, namely, 160110060511025 + 160110060511026.

It is an arithmetic number, because the mean of its divisors is an integer number (160110060511026).

Almost surely, 2^{320220121022051} is an apocalyptic number.

320220121022051 is a deficient number, since it is larger than the sum of its proper divisors (1).

320220121022051 is an equidigital number, since it uses as much as digits as its factorization.

320220121022051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 320220121022051 its reverse (150220121022023), we get a palindrome (470440242044074).

The spelling of 320220121022051 in words is "three hundred twenty trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, fifty-one".