2622123466021 has 2 divisors, whose sum is σ = 2622123466022. Its totient is φ = 2622123466020.

The previous prime is 2622123465947. The next prime is 2622123466147. The reversal of 2622123466021 is 1206643212262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2622019140225 + 104325796 = 1619265^2 + 10214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2622123466021 - 2⁷ = 2622123465893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2622123466621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311061733010 + 1311061733011.

It is an arithmetic number, because the mean of its divisors is an integer number (1311061733011).

Almost surely, 2^{2622123466021} is an apocalyptic number.

It is an amenable number.

2622123466021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622123466021 is an equidigital number, since it uses as much as digits as its factorization.

2622123466021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 2622123466021 its reverse (1206643212262), we get a palindrome (3828766678283).

The spelling of 2622123466021 in words is "two trillion, six hundred twenty-two billion, one hundred twenty-three million, four hundred sixty-six thousand, twenty-one".