21114300 has 36 divisors (see below), whose sum is σ = 61091576. Its totient is φ = 5630400.

The previous prime is 21114293. The next prime is 21114307. The reversal of 21114300 is 341112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21114293) and next prime (21114307).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34891 + ... + 35490.

Almost surely, 2^21114300 is an apocalyptic number.

21114300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21114300 is an abundant number, since it is smaller than the sum of its proper divisors (39977276).

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

21114300 is a wasteful number, since it uses less digits than its factorization.

21114300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70398 (or 70391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 21114300 is about 4595.0299237328. The cubic root of 21114300 is about 276.3920599097.

Adding to 21114300 its reverse (341112), we get a palindrome (21455412).

The spelling of 21114300 in words is "twenty-one million, one hundred fourteen thousand, three hundred".