21214241030 has 8 divisors (see below), whose sum is σ = 38185633872. Its totient is φ = 8485696408.

The previous prime is 21214241011. The next prime is 21214241071. The reversal of 21214241030 is 3014241212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21214240993 and 21214241011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060712042 + ... + 1060712061.

It is an arithmetic number, because the mean of its divisors is an integer number (4773204234).

Almost surely, 2^21214241030 is an apocalyptic number.

21214241030 is a deficient number, since it is larger than the sum of its proper divisors (16971392842).

21214241030 is a wasteful number, since it uses less digits than its factorization.

21214241030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121424110.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21214241030 its reverse (3014241212), we get a palindrome (24228482242).

The spelling of 21214241030 in words is "twenty-one billion, two hundred fourteen million, two hundred forty-one thousand, thirty".