21014034444214 has 16 divisors (see below), whose sum is σ = 36027890396928. Its totient is φ = 9005056924392.

The previous prime is 21014034444199. The next prime is 21014034444217. The reversal of 21014034444214 is 41244443041012.

It is a super-2 number, since 2×21014034444214² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21014034444214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014034444217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79683442 + ... + 79946725.

It is an arithmetic number, because the mean of its divisors is an integer number (2251743149808).

Almost surely, 2^{21014034444214} is an apocalyptic number.

21014034444214 is a deficient number, since it is larger than the sum of its proper divisors (15013855952714).

21014034444214 is a wasteful number, since it uses less digits than its factorization.

21014034444214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159639579.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 21014034444214 its reverse (41244443041012), we get a palindrome (62258477485226).

The spelling of 21014034444214 in words is "twenty-one trillion, fourteen billion, thirty-four million, four hundred forty-four thousand, two hundred fourteen".