21132202435104 has 24 divisors (see below), whose sum is σ = 55472031392400. Its totient is φ = 7044067478336.

The previous prime is 21132202435103. The next prime is 21132202435121. The reversal of 21132202435104 is 40153420223112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (21132202435103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110063554254 + ... + 110063554445.

It is an arithmetic number, because the mean of its divisors is an integer number (2311334641350).

Almost surely, 2^{21132202435104} is an apocalyptic number.

21132202435104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21132202435104 is an abundant number, since it is smaller than the sum of its proper divisors (34339828957296).

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

21132202435104 is a wasteful number, since it uses less digits than its factorization.

21132202435104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220127108712 (or 220127108704 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 21132202435104 its reverse (40153420223112), we get a palindrome (61285622658216).

The spelling of 21132202435104 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred two million, four hundred thirty-five thousand, one hundred four".