21324140122 has 16 divisors (see below), whose sum is σ = 32052234240. Its totient is φ = 10640084112.

The previous prime is 21324140093. The next prime is 21324140141. The reversal of 21324140122 is 22104142312.

It is a junction number, because it is equal to n+sod(n) for n = 21324140093 and 21324140102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2466904 + ... + 2475532.

It is an arithmetic number, because the mean of its divisors is an integer number (2003264640).

Almost surely, 2^21324140122 is an apocalyptic number.

21324140122 is a deficient number, since it is larger than the sum of its proper divisors (10728094118).

21324140122 is a wasteful number, since it uses less digits than its factorization.

21324140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11037.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21324140122 its reverse (22104142312), we get a palindrome (43428282434).

The spelling of 21324140122 in words is "twenty-one billion, three hundred twenty-four million, one hundred forty thousand, one hundred twenty-two".