21010114214 has 4 divisors (see below), whose sum is σ = 31515171324. Its totient is φ = 10505057106.

The previous prime is 21010114187. The next prime is 21010114217. The reversal of 21010114214 is 41241101012.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21010114192 and 21010114201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010114217) 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 as a sum of consecutive naturals, namely, 5252528552 + ... + 5252528555.

It is an arithmetic number, because the mean of its divisors is an integer number (7878792831).

Almost surely, 2^21010114214 is an apocalyptic number.

21010114214 is a deficient number, since it is larger than the sum of its proper divisors (10505057110).

21010114214 is a wasteful number, since it uses less digits than its factorization.

21010114214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505057109.

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

Adding to 21010114214 its reverse (41241101012), we get a palindrome (62251215226).

The spelling of 21010114214 in words is "twenty-one billion, ten million, one hundred fourteen thousand, two hundred fourteen".