21041114 has 4 divisors (see below), whose sum is σ = 31561674. Its totient is φ = 10520556.

The previous prime is 21041107. The next prime is 21041117. The reversal of 21041114 is 41114012.

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., 17783089 + 3258025 = 4217^2 + 1805^2 .

It is not an unprimeable number, because it can be changed into a prime (21041117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260277 + ... + 5260280.

Almost surely, 2^21041114 is an apocalyptic number.

21041114 is a deficient number, since it is larger than the sum of its proper divisors (10520560).

21041114 is a wasteful number, since it uses less digits than its factorization.

21041114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520559.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 21041114 is about 4587.0594066351. The cubic root of 21041114 is about 276.0723485333.

Adding to 21041114 its reverse (41114012), we get a palindrome (62155126).

The spelling of 21041114 in words is "twenty-one million, forty-one thousand, one hundred fourteen".