21202122130234 has 8 divisors (see below), whose sum is σ = 32251115353248. Its totient is φ = 10451750345820.

The previous prime is 21202122130207. The next prime is 21202122130253. The reversal of 21202122130234 is 43203122120212.

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 = 21202122130199 and 21202122130208.

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 3 ways as a sum of consecutive naturals, for example, 74655359472 + ... + 74655359755.

It is an arithmetic number, because the mean of its divisors is an integer number (4031389419156).

Almost surely, 2^{21202122130234} is an apocalyptic number.

21202122130234 is a deficient number, since it is larger than the sum of its proper divisors (11048993223014).

21202122130234 is a wasteful number, since it uses less digits than its factorization.

21202122130234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149310719300.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21202122130234 its reverse (43203122120212), we get a palindrome (64405244250446).

The spelling of 21202122130234 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-two million, one hundred thirty thousand, two hundred thirty-four".