21114203232 has 48 divisors (see below), whose sum is σ = 55477783872. Its totient is φ = 7031337600.

The previous prime is 21114203221. The next prime is 21114203233. The reversal of 21114203232 is 23230241112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 21114203199 and 21114203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114203233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3738 + ... + 205529.

It is an arithmetic number, because the mean of its divisors is an integer number (1155787164).

Almost surely, 2^21114203232 is an apocalyptic number.

It is an amenable number.

21114203232 is an abundant number, since it is smaller than the sum of its proper divisors (34363580640).

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

21114203232 is a wasteful number, since it uses less digits than its factorization.

21114203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210331 (or 210323 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21114203232 its reverse (23230241112), we get a palindrome (44344444344).

The spelling of 21114203232 in words is "twenty-one billion, one hundred fourteen million, two hundred three thousand, two hundred thirty-two".