21502023133314 has 8 divisors (see below), whose sum is σ = 43004046266640. Its totient is φ = 7167341044436.

The previous prime is 21502023133313. The next prime is 21502023133319. The reversal of 21502023133314 is 41333132020512.

It is a sphenic number, since it is the product of 3 distinct primes.

21502023133314 is an admirable number.

It is a super-4 number, since 4×21502023133314⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (21502023133313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791835261104 + ... + 1791835261115.

It is an arithmetic number, because the mean of its divisors is an integer number (5375505783330).

Almost surely, 2^{21502023133314} is an apocalyptic number.

21502023133314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21502023133314 is a wasteful number, since it uses less digits than its factorization.

21502023133314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583670522224.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 21502023133314 its reverse (41333132020512), we get a palindrome (62835155153826).

The spelling of 21502023133314 in words is "twenty-one trillion, five hundred two billion, twenty-three million, one hundred thirty-three thousand, three hundred fourteen".