21114202 has 4 divisors (see below), whose sum is σ = 31671306. Its totient is φ = 10557100.

The previous prime is 21114173. The next prime is 21114209. The reversal of 21114202 is 20241112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16573041 + 4541161 = 4071^2 + 2131^2 .

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278549 + ... + 5278552.

Almost surely, 2^21114202 is an apocalyptic number.

21114202 is a deficient number, since it is larger than the sum of its proper divisors (10557104).

21114202 is a wasteful number, since it uses less digits than its factorization.

21114202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557103.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 21114202 is about 4595.0192600249. The cubic root of 21114202 is about 276.3916322933.

Adding to 21114202 its reverse (20241112), we get a palindrome (41355314).

It can be divided in two parts, 21114 and 202, that added together give a square (21316 = 146²).

The spelling of 21114202 in words is "twenty-one million, one hundred fourteen thousand, two hundred two".