21122313322132 has 12 divisors (see below), whose sum is σ = 40324416342336. Its totient is φ = 9601051510040.

The previous prime is 21122313322129. The next prime is 21122313322139. The reversal of 21122313322132 is 23122331322112.

It is a self number, because there is not a number n which added to its sum of digits gives 21122313322132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122313322139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240026287708 + ... + 240026287795.

It is an arithmetic number, because the mean of its divisors is an integer number (3360368028528).

Almost surely, 2^{21122313322132} is an apocalyptic number.

21122313322132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21122313322132 is a deficient number, since it is larger than the sum of its proper divisors (19202103020204).

21122313322132 is a wasteful number, since it uses less digits than its factorization.

21122313322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480052575518 (or 480052575516 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 21122313322132 its reverse (23122331322112), we get a palindrome (44244644644244).

The spelling of 21122313322132 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred thirty-two".