21130414214 has 64 divisors (see below), whose sum is σ = 41513472000. Its totient is φ = 7827798528.

The previous prime is 21130414211. The next prime is 21130414223. The reversal of 21130414214 is 41241403112.

It is a self number, because there is not a number n which added to its sum of digits gives 21130414214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130414211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598547 + ... + 632865.

It is an arithmetic number, because the mean of its divisors is an integer number (648648000).

Almost surely, 2^21130414214 is an apocalyptic number.

21130414214 is a deficient number, since it is larger than the sum of its proper divisors (20383057786).

21130414214 is a wasteful number, since it uses less digits than its factorization.

21130414214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34557.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21130414214 its reverse (41241403112), we get a palindrome (62371817326).

The spelling of 21130414214 in words is "twenty-one billion, one hundred thirty million, four hundred fourteen thousand, two hundred fourteen".