2122032301021 has 2 divisors, whose sum is σ = 2122032301022. Its totient is φ = 2122032301020.

The previous prime is 2122032301019. The next prime is 2122032301027. The reversal of 2122032301021 is 1201032302212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1801688752900 + 320343548121 = 1342270^2 + 565989^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122032301021 - 2¹ = 2122032301019 is a prime.

Together with 2122032301019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2122032301021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122032301027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061016150510 + 1061016150511.

It is an arithmetic number, because the mean of its divisors is an integer number (1061016150511).

Almost surely, 2^{2122032301021} is an apocalyptic number.

It is an amenable number.

2122032301021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122032301021 is an equidigital number, since it uses as much as digits as its factorization.

2122032301021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2122032301021 its reverse (1201032302212), we get a palindrome (3323064603233).

The spelling of 2122032301021 in words is "two trillion, one hundred twenty-two billion, thirty-two million, three hundred one thousand, twenty-one".