21010414214 has 4 divisors (see below), whose sum is σ = 31515621324. Its totient is φ = 10505207106.

The previous prime is 21010414199. The next prime is 21010414231. The reversal of 21010414214 is 41241401012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252603552 + ... + 5252603555.

It is an arithmetic number, because the mean of its divisors is an integer number (7878905331).

Almost surely, 2^21010414214 is an apocalyptic number.

21010414214 is a deficient number, since it is larger than the sum of its proper divisors (10505207110).

21010414214 is a wasteful number, since it uses less digits than its factorization.

21010414214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505207109.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21010414214 its reverse (41241401012), we get a palindrome (62251815226).

The spelling of 21010414214 in words is "twenty-one billion, ten million, four hundred fourteen thousand, two hundred fourteen".