21110041214 has 16 divisors (see below), whose sum is σ = 32921528976. Its totient is φ = 10143883200.

The previous prime is 21110041207. The next prime is 21110041229. The reversal of 21110041214 is 41214001112.

It is a junction number, because it is equal to n+sod(n) for n = 21110041192 and 21110041201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915697 + ... + 1926684.

It is an arithmetic number, because the mean of its divisors is an integer number (2057595561).

Almost surely, 2^21110041214 is an apocalyptic number.

21110041214 is a deficient number, since it is larger than the sum of its proper divisors (11811487762).

21110041214 is a wasteful number, since it uses less digits than its factorization.

21110041214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842491.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21110041214 its reverse (41214001112), we get a palindrome (62324042326).

The spelling of 21110041214 in words is "twenty-one billion, one hundred ten million, forty-one thousand, two hundred fourteen".