21132211312024 has 16 divisors (see below), whose sum is σ = 39622945289400. Its totient is φ = 10566092568192.

The previous prime is 21132211311983. The next prime is 21132211312081. The reversal of 21132211312024 is 42021311223112.

It is a self number, because there is not a number n which added to its sum of digits gives 21132211312024.

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 3 ways as a sum of consecutive naturals, for example, 10681959 + ... + 12504745.

Almost surely, 2^{21132211312024} is an apocalyptic number.

It is an amenable number.

21132211312024 is a deficient number, since it is larger than the sum of its proper divisors (18490733977376).

21132211312024 is a wasteful number, since it uses less digits than its factorization.

21132211312024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271962 (or 3271958 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21132211312024 its reverse (42021311223112), we get a palindrome (63153522535136).

The spelling of 21132211312024 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred eleven million, three hundred twelve thousand, twenty-four".