21334210303422 has 16 divisors (see below), whose sum is σ = 42670548842112. Its totient is φ = 7111048728600.

The previous prime is 21334210303361. The next prime is 21334210303433. The reversal of 21334210303422 is 22430301243312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21334210303422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88546138 + ... + 88786749.

It is an arithmetic number, because the mean of its divisors is an integer number (2666909302632).

Almost surely, 2^{21334210303422} is an apocalyptic number.

21334210303422 is an abundant number, since it is smaller than the sum of its proper divisors (21336338538690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21334210303422 is a wasteful number, since it uses less digits than its factorization.

21334210303422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177352943.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 21334210303422 its reverse (22430301243312), we get a palindrome (43764511546734).

The spelling of 21334210303422 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred three thousand, four hundred twenty-two".