21110200232 has 16 divisors (see below), whose sum is σ = 43179955200. Its totient is φ = 9595545520.

The previous prime is 21110200217. The next prime is 21110200247. The reversal of 21110200232 is 23200201112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21110200217) and next prime (21110200247).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119944232 + ... + 119944407.

It is an arithmetic number, because the mean of its divisors is an integer number (2698747200).

Almost surely, 2^21110200232 is an apocalyptic number.

21110200232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21110200232 is an abundant number, since it is smaller than the sum of its proper divisors (22069754968).

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

21110200232 is a wasteful number, since it uses less digits than its factorization.

21110200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239888656 (or 239888652 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21110200232 its reverse (23200201112), we get a palindrome (44310401344).

The spelling of 21110200232 in words is "twenty-one billion, one hundred ten million, two hundred thousand, two hundred thirty-two".