21100114 has 16 divisors (see below), whose sum is σ = 36249408. Its totient is φ = 9023472.

The previous prime is 21100103. The next prime is 21100129. The reversal of 21100114 is 41100112.

It is a self number, because there is not a number n which added to its sum of digits gives 21100114.

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, 6544 + ... + 9220.

It is an arithmetic number, because the mean of its divisors is an integer number (2265588).

Almost surely, 2^21100114 is an apocalyptic number.

21100114 is a deficient number, since it is larger than the sum of its proper divisors (15149294).

21100114 is a wasteful number, since it uses less digits than its factorization.

21100114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 21100114 is about 4593.4860400354. The cubic root of 21100114 is about 276.3301464799.

Adding to 21100114 its reverse (41100112), we get a palindrome (62200226).

The spelling of 21100114 in words is "twenty-one million, one hundred thousand, one hundred fourteen".