21532502014233 has 12 divisors (see below), whose sum is σ = 33397350063120. Its totient is φ = 12304286865192.

The previous prime is 21532502014229. The next prime is 21532502014313. The reversal of 21532502014233 is 33241020523512.

It is not a de Polignac number, because 21532502014233 - 2² = 21532502014229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21532502014194 and 21532502014203.

It is not an unprimeable number, because it can be changed into a prime (21532502012233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73239802623 + ... + 73239802916.

It is an arithmetic number, because the mean of its divisors is an integer number (2783112505260).

Almost surely, 2^{21532502014233} is an apocalyptic number.

It is an amenable number.

21532502014233 is a deficient number, since it is larger than the sum of its proper divisors (11864848048887).

21532502014233 is a wasteful number, since it uses less digits than its factorization.

21532502014233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146479605556 (or 146479605549 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 21532502014233 its reverse (33241020523512), we get a palindrome (54773522537745).

The spelling of 21532502014233 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred two million, fourteen thousand, two hundred thirty-three".