22101131323133 has 4 divisors (see below), whose sum is σ = 22134567225948. Its totient is φ = 22067695420320.

The previous prime is 22101131323109. The next prime is 22101131323147. The reversal of 22101131323133 is 33132313110122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6444880910329 + 15656250412804 = 2538677^2 + 3956798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101131323133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101131320133) 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 in 3 ways as a sum of consecutive naturals, for example, 16717950416 + ... + 16717951737.

It is an arithmetic number, because the mean of its divisors is an integer number (5533641806487).

Almost surely, 2^{22101131323133} is an apocalyptic number.

It is an amenable number.

22101131323133 is a deficient number, since it is larger than the sum of its proper divisors (33435902815).

22101131323133 is an equidigital number, since it uses as much as digits as its factorization.

22101131323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33435902814.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 22101131323133 its reverse (33132313110122), we get a palindrome (55233444433255).

The spelling of 22101131323133 in words is "twenty-two trillion, one hundred one billion, one hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-three".