21414100111 has 8 divisors (see below), whose sum is σ = 21465233280. Its totient is φ = 21363021528.

The previous prime is 21414100109. The next prime is 21414100121. The reversal of 21414100111 is 11100141412.

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

It is a cyclic number.

It is not a de Polignac number, because 21414100111 - 2¹ = 21414100109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833520 + ... + 858826.

It is an arithmetic number, because the mean of its divisors is an integer number (2683154160).

Almost surely, 2^21414100111 is an apocalyptic number.

21414100111 is a deficient number, since it is larger than the sum of its proper divisors (51133169).

21414100111 is a wasteful number, since it uses less digits than its factorization.

21414100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27293.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21414100111 its reverse (11100141412), we get a palindrome (32514241523).

The spelling of 21414100111 in words is "twenty-one billion, four hundred fourteen million, one hundred thousand, one hundred eleven".