21100110014 has 32 divisors (see below), whose sum is σ = 35328869280. Its totient is φ = 9392689152.

The previous prime is 21100110013. The next prime is 21100110049. The reversal of 21100110014 is 41001100112.

It is a junction number, because it is equal to n+sod(n) for n = 21100109977 and 21100110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100110013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410492 + ... + 459024.

It is an arithmetic number, because the mean of its divisors is an integer number (1104027165).

Almost surely, 2^21100110014 is an apocalyptic number.

21100110014 is a deficient number, since it is larger than the sum of its proper divisors (14228759266).

21100110014 is a wasteful number, since it uses less digits than its factorization.

21100110014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49244.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21100110014 its reverse (41001100112), we get a palindrome (62101210126).

The spelling of 21100110014 in words is "twenty-one billion, one hundred million, one hundred ten thousand, fourteen".