2022001120021 has 2 divisors, whose sum is σ = 2022001120022. Its totient is φ = 2022001120020.

The previous prime is 2022001119989. The next prime is 2022001120033. The reversal of 2022001120021 is 1200211002202.

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., 1443205782225 + 578795337796 = 1201335^2 + 760786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022001120021 - 2⁵ = 2022001119989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022001119983 and 2022001120010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022001120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011000560010 + 1011000560011.

It is an arithmetic number, because the mean of its divisors is an integer number (1011000560011).

Almost surely, 2^{2022001120021} is an apocalyptic number.

It is an amenable number.

2022001120021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022001120021 is an equidigital number, since it uses as much as digits as its factorization.

2022001120021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2022001120021 its reverse (1200211002202), we get a palindrome (3222212122223).

The spelling of 2022001120021 in words is "two trillion, twenty-two billion, one million, one hundred twenty thousand, twenty-one".