21214111430 has 8 divisors (see below), whose sum is σ = 38185400592. Its totient is φ = 8485644568.

The previous prime is 21214111427. The next prime is 21214111469. The reversal of 21214111430 is 3411141212.

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

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, 1060705562 + ... + 1060705581.

It is an arithmetic number, because the mean of its divisors is an integer number (4773175074).

Almost surely, 2^21214111430 is an apocalyptic number.

21214111430 is a deficient number, since it is larger than the sum of its proper divisors (16971289162).

21214111430 is a wasteful number, since it uses less digits than its factorization.

21214111430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121411150.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21214111430 its reverse (3411141212), we get a palindrome (24625252642).

The spelling of 21214111430 in words is "twenty-one billion, two hundred fourteen million, one hundred eleven thousand, four hundred thirty".