210421114 has 4 divisors (see below), whose sum is σ = 315631674. Its totient is φ = 105210556.

The previous prime is 210421073. The next prime is 210421151. The reversal of 210421114 is 411124012.

It is a happy number.

210421114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 180445489 + 29975625 = 13433^2 + 5475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52605277 + ... + 52605280.

Almost surely, 2^210421114 is an apocalyptic number.

210421114 is a deficient number, since it is larger than the sum of its proper divisors (105210560).

210421114 is a wasteful number, since it uses less digits than its factorization.

210421114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105210559.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 210421114 is about 14505.8992827056. The cubic root of 210421114 is about 594.7892424941.

Adding to 210421114 its reverse (411124012), we get a palindrome (621545126).

The spelling of 210421114 in words is "two hundred ten million, four hundred twenty-one thousand, one hundred fourteen".