21114413232 has 80 divisors (see below), whose sum is σ = 60392479872. Its totient is φ = 6302799360.

The previous prime is 21114413231. The next prime is 21114413239. The reversal of 21114413232 is 23231441112.

It is a super-2 number, since 2×21114413232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21114413231) 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 15 ways as a sum of consecutive naturals, for example, 263053 + ... + 333804.

Almost surely, 2^21114413232 is an apocalyptic number.

21114413232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21114413232 is an abundant number, since it is smaller than the sum of its proper divisors (39278066640).

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

21114413232 is a wasteful number, since it uses less digits than its factorization.

21114413232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596946 (or 596940 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 21114413232 its reverse (23231441112), we get a palindrome (44345854344).

The spelling of 21114413232 in words is "twenty-one billion, one hundred fourteen million, four hundred thirteen thousand, two hundred thirty-two".