1322021320043 has 2 divisors, whose sum is σ = 1322021320044. Its totient is φ = 1322021320042.

The previous prime is 1322021319907. The next prime is 1322021320079. The reversal of 1322021320043 is 3400231202231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1322021320043 - 2²⁴ = 1322004542827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322021620043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661010660021 + 661010660022.

It is an arithmetic number, because the mean of its divisors is an integer number (661010660022).

Almost surely, 2^{1322021320043} is an apocalyptic number.

1322021320043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322021320043 is an equidigital number, since it uses as much as digits as its factorization.

1322021320043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1322021320043 its reverse (3400231202231), we get a palindrome (4722252522274).

The spelling of 1322021320043 in words is "one trillion, three hundred twenty-two billion, twenty-one million, three hundred twenty thousand, forty-three".