21301234322 has 4 divisors (see below), whose sum is σ = 31951851486. Its totient is φ = 10650617160.

The previous prime is 21301234319. The next prime is 21301234337. The reversal of 21301234322 is 22343210312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13043695681 + 8257538641 = 114209^2 + 90871^2 .

It is a super-3 number, since 3×21301234322³ (a number of 32 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 5325308579 + ... + 5325308582.

Almost surely, 2^21301234322 is an apocalyptic number.

21301234322 is a deficient number, since it is larger than the sum of its proper divisors (10650617164).

21301234322 is a wasteful number, since it uses less digits than its factorization.

21301234322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650617163.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21301234322 its reverse (22343210312), we get a palindrome (43644444634).

The spelling of 21301234322 in words is "twenty-one billion, three hundred one million, two hundred thirty-four thousand, three hundred twenty-two".