21410342202122 has 8 divisors (see below), whose sum is σ = 32123971442916. Its totient is φ = 10702351721152.

The previous prime is 21410342202107. The next prime is 21410342202149. The reversal of 21410342202122 is 22120224301412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21349288239841 + 61053962281 = 4620529^2 + 247091^2 .

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 = 21410342202091 and 21410342202100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409680463 + ... + 1409695650.

Almost surely, 2^{21410342202122} is an apocalyptic number.

21410342202122 is a deficient number, since it is larger than the sum of its proper divisors (10713629240794).

21410342202122 is a wasteful number, since it uses less digits than its factorization.

21410342202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819379912.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21410342202122 its reverse (22120224301412), we get a palindrome (43530566503534).

The spelling of 21410342202122 in words is "twenty-one trillion, four hundred ten billion, three hundred forty-two million, two hundred two thousand, one hundred twenty-two".