21324131122 has 8 divisors (see below), whose sum is σ = 36555653376. Its totient is φ = 9138913332.

The previous prime is 21324131113. The next prime is 21324131123. The reversal of 21324131122 is 22113142312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21324131093 and 21324131102.

It is not an unprimeable number, because it can be changed into a prime (21324131123) 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 in 3 ways as a sum of consecutive naturals, for example, 761576098 + ... + 761576125.

It is an arithmetic number, because the mean of its divisors is an integer number (4569456672).

Almost surely, 2^21324131122 is an apocalyptic number.

21324131122 is a deficient number, since it is larger than the sum of its proper divisors (15231522254).

21324131122 is a wasteful number, since it uses less digits than its factorization.

21324131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523152232.

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

Adding to 21324131122 its reverse (22113142312), we get a palindrome (43437273434).

The spelling of 21324131122 in words is "twenty-one billion, three hundred twenty-four million, one hundred thirty-one thousand, one hundred twenty-two".