21114323132 has 24 divisors (see below), whose sum is σ = 43684808160. Its totient is φ = 8736960960.

The previous prime is 21114323129. The next prime is 21114323149. The reversal of 21114323132 is 23132341112.

It is a junction number, because it is equal to n+sod(n) for n = 21114323098 and 21114323107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13000619 + ... + 13002242.

It is an arithmetic number, because the mean of its divisors is an integer number (1820200340).

Almost surely, 2^21114323132 is an apocalyptic number.

It is an amenable number.

21114323132 is an abundant number, since it is smaller than the sum of its proper divisors (22570485028).

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

21114323132 is a wasteful number, since it uses less digits than its factorization.

21114323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26002901 (or 26002899 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 21114323132 its reverse (23132341112), we get a palindrome (44246664244).

The spelling of 21114323132 in words is "twenty-one billion, one hundred fourteen million, three hundred twenty-three thousand, one hundred thirty-two".