21340200014122 has 64 divisors (see below), whose sum is σ = 35487350857728. Its totient is φ = 9543183552000.

The previous prime is 21340200014101. The next prime is 21340200014149. The reversal of 21340200014122 is 22141000204312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21340200014093 and 21340200014102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1924789263 + ... + 1924800349.

It is an arithmetic number, because the mean of its divisors is an integer number (554489857152).

Almost surely, 2^{21340200014122} is an apocalyptic number.

21340200014122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21340200014122 is a deficient number, since it is larger than the sum of its proper divisors (14147150843606).

21340200014122 is a wasteful number, since it uses less digits than its factorization.

21340200014122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13675.

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

Adding to 21340200014122 its reverse (22141000204312), we get a palindrome (43481200218434).

The spelling of 21340200014122 in words is "twenty-one trillion, three hundred forty billion, two hundred million, fourteen thousand, one hundred twenty-two".