21302010122 has 8 divisors (see below), whose sum is σ = 31986061536. Its totient is φ = 10639989612.

The previous prime is 21302010077. The next prime is 21302010193. The reversal of 21302010122 is 22101020312.

It is a happy number.

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 = 21302010097 and 21302010106.

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 3 ways as a sum of consecutive naturals, for example, 5505308 + ... + 5509175.

It is an arithmetic number, because the mean of its divisors is an integer number (3998257692).

Almost surely, 2^21302010122 is an apocalyptic number.

21302010122 is a deficient number, since it is larger than the sum of its proper divisors (10684051414).

21302010122 is a wasteful number, since it uses less digits than its factorization.

21302010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11015452.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21302010122 its reverse (22101020312), we get a palindrome (43403030434).

The spelling of 21302010122 in words is "twenty-one billion, three hundred two million, ten thousand, one hundred twenty-two".