21014044041014 has 4 divisors (see below), whose sum is σ = 31521066061524. Its totient is φ = 10507022020506.

The previous prime is 21014044040959. The next prime is 21014044041071. The reversal of 21014044041014 is 41014044041012.

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, 5253511010252 + ... + 5253511010255.

It is an arithmetic number, because the mean of its divisors is an integer number (7880266515381).

Almost surely, 2^{21014044041014} is an apocalyptic number.

21014044041014 is a deficient number, since it is larger than the sum of its proper divisors (10507022020510).

21014044041014 is a wasteful number, since it uses less digits than its factorization.

21014044041014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507022020509.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 21014044041014 its reverse (41014044041012), we get a palindrome (62028088082026).

The spelling of 21014044041014 in words is "twenty-one trillion, fourteen billion, forty-four million, forty-one thousand, fourteen".