2022121330981 has 2 divisors, whose sum is σ = 2022121330982. Its totient is φ = 2022121330980.

The previous prime is 2022121330967. The next prime is 2022121330991. The reversal of 2022121330981 is 1890331212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1507517396100 + 514603934881 = 1227810^2 + 717359^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022121330981 - 2³⁷ = 1884682377509 is a prime.

It is a super-2 number, since 2×2022121330981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022121330991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011060665490 + 1011060665491.

It is an arithmetic number, because the mean of its divisors is an integer number (1011060665491).

Almost surely, 2^{2022121330981} is an apocalyptic number.

It is an amenable number.

2022121330981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022121330981 is an equidigital number, since it uses as much as digits as its factorization.

2022121330981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 2022121330981 in words is "two trillion, twenty-two billion, one hundred twenty-one million, three hundred thirty thousand, nine hundred eighty-one".