2022121210321 has 4 divisors (see below), whose sum is σ = 2022183628852. Its totient is φ = 2022058791792.

The previous prime is 2022121210303. The next prime is 2022121210411. The reversal of 2022121210321 is 1230121212202.

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 1397880582400 + 624240627921 = 1182320^2 + 790089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022121210321 - 2⁵ = 2022121210289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022121250321) 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, 31160646 + ... + 31225471.

It is an arithmetic number, because the mean of its divisors is an integer number (505545907213).

Almost surely, 2^{2022121210321} is an apocalyptic number.

It is an amenable number.

2022121210321 is a deficient number, since it is larger than the sum of its proper divisors (62418531).

2022121210321 is an equidigital number, since it uses as much as digits as its factorization.

2022121210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62418530.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2022121210321 its reverse (1230121212202), we get a palindrome (3252242422523).

The spelling of 2022121210321 in words is "two trillion, twenty-two billion, one hundred twenty-one million, two hundred ten thousand, three hundred twenty-one".