2022121221137 has 2 divisors, whose sum is σ = 2022121221138. Its totient is φ = 2022121221136.

The previous prime is 2022121221067. The next prime is 2022121221139. The reversal of 2022121221137 is 7311221212202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1947018366736 + 75102854401 = 1395356^2 + 274049^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022121221137 - 2²⁰ = 2022120172561 is a prime.

Together with 2022121221139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2022121221139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011060610568 + 1011060610569.

It is an arithmetic number, because the mean of its divisors is an integer number (1011060610569).

Almost surely, 2^{2022121221137} is an apocalyptic number.

It is an amenable number.

2022121221137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022121221137 is an equidigital number, since it uses as much as digits as its factorization.

2022121221137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 2022121221137 its reverse (7311221212202), we get a palindrome (9333342433339).

The spelling of 2022121221137 in words is "two trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-seven".