21322052014534 has 32 divisors (see below), whose sum is σ = 32770262339136. Its totient is φ = 10401764567040.

The previous prime is 21322052014517. The next prime is 21322052014579. The reversal of 21322052014534 is 43541025022312.

It is a super-2 number, since 2×21322052014534² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21322052014534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224923354 + ... + 225018130.

It is an arithmetic number, because the mean of its divisors is an integer number (1024070698098).

Almost surely, 2^{21322052014534} is an apocalyptic number.

21322052014534 is a deficient number, since it is larger than the sum of its proper divisors (11448210324602).

21322052014534 is a wasteful number, since it uses less digits than its factorization.

21322052014534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111280.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 21322052014534 its reverse (43541025022312), we get a palindrome (64863077036846).

The spelling of 21322052014534 in words is "twenty-one trillion, three hundred twenty-two billion, fifty-two million, fourteen thousand, five hundred thirty-four".