22120001220073 has 2 divisors, whose sum is σ = 22120001220074. Its totient is φ = 22120001220072.

The previous prime is 22120001220071. The next prime is 22120001220113. The reversal of 22120001220073 is 37002210002122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16498113633369 + 5621887586704 = 4061787^2 + 2371052^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120001220073 - 2¹ = 22120001220071 is a prime.

Together with 22120001220071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22120001220071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060000610036 + 11060000610037.

It is an arithmetic number, because the mean of its divisors is an integer number (11060000610037).

Almost surely, 2^{22120001220073} is an apocalyptic number.

It is an amenable number.

22120001220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120001220073 is an equidigital number, since it uses as much as digits as its factorization.

22120001220073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 22120001220073 its reverse (37002210002122), we get a palindrome (59122211222195).

The spelling of 22120001220073 in words is "twenty-two trillion, one hundred twenty billion, one million, two hundred twenty thousand, seventy-three".