21334052306 has 16 divisors (see below), whose sum is σ = 36574929216. Its totient is φ = 9142598256.

The previous prime is 21334052303. The next prime is 21334052309. The reversal of 21334052306 is 60325043312.

It is an interprime number because it is at equal distance from previous prime (21334052303) and next prime (21334052309).

It is not an unprimeable number, because it can be changed into a prime (21334052303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251840 + ... + 325716.

It is an arithmetic number, because the mean of its divisors is an integer number (2285933076).

Almost surely, 2^21334052306 is an apocalyptic number.

21334052306 is a deficient number, since it is larger than the sum of its proper divisors (15240876910).

21334052306 is a wasteful number, since it uses less digits than its factorization.

21334052306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94513.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 21334052306 its reverse (60325043312), we get a palindrome (81659095618).

The spelling of 21334052306 in words is "twenty-one billion, three hundred thirty-four million, fifty-two thousand, three hundred six".