21114203 has 8 divisors (see below), whose sum is σ = 23250240. Its totient is φ = 19014280.

The previous prime is 21114173. The next prime is 21114209. The reversal of 21114203 is 30241112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21114203 - 2²⁴ = 4336987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21114209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7793 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 2^21114203 is an apocalyptic number.

21114203 is a deficient number, since it is larger than the sum of its proper divisors (2136037).

21114203 is a wasteful number, since it uses less digits than its factorization.

21114203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18057.

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

The square root of 21114203 is about 4595.0193688384. The cubic root of 21114203 is about 276.3916366568.

Adding to 21114203 its reverse (30241112), we get a palindrome (51355315).

The spelling of 21114203 in words is "twenty-one million, one hundred fourteen thousand, two hundred three".