22031122043101 has 2 divisors, whose sum is σ = 22031122043102. Its totient is φ = 22031122043100.

The previous prime is 22031122043081. The next prime is 22031122043141. The reversal of 22031122043101 is 10134022113022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19781377035876 + 2249745007225 = 4447626^2 + 1499915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031122043101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031122043141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015561021550 + 11015561021551.

It is an arithmetic number, because the mean of its divisors is an integer number (11015561021551).

Almost surely, 2^{22031122043101} is an apocalyptic number.

It is an amenable number.

22031122043101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031122043101 is an equidigital number, since it uses as much as digits as its factorization.

22031122043101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22031122043101 its reverse (10134022113022), we get a palindrome (32165144156123).

The spelling of 22031122043101 in words is "twenty-two trillion, thirty-one billion, one hundred twenty-two million, forty-three thousand, one hundred one".