2022010001021 has 2 divisors, whose sum is σ = 2022010001022. Its totient is φ = 2022010001020.

The previous prime is 2022010000999. The next prime is 2022010001111. The reversal of 2022010001021 is 1201000102202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1932016600900 + 89993400121 = 1389970^2 + 299989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022010001021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022010000993 and 2022010001011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022010007021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011005000510 + 1011005000511.

It is an arithmetic number, because the mean of its divisors is an integer number (1011005000511).

Almost surely, 2^{2022010001021} is an apocalyptic number.

It is an amenable number.

2022010001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022010001021 is an equidigital number, since it uses as much as digits as its factorization.

2022010001021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2022010001021 its reverse (1201000102202), we get a palindrome (3223010103223).

The spelling of 2022010001021 in words is "two trillion, twenty-two billion, ten million, one thousand, twenty-one".