21821848114 has 16 divisors (see below), whose sum is σ = 35907973920. Its totient is φ = 9863606560.

The previous prime is 21821848093. The next prime is 21821848117. The reversal of 21821848114 is 41184812812.

It is a happy number.

It is a super-3 number, since 3×21821848114³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (21821848117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2766739 + ... + 2774614.

It is an arithmetic number, because the mean of its divisors is an integer number (2244248370).

Almost surely, 2^21821848114 is an apocalyptic number.

21821848114 is a deficient number, since it is larger than the sum of its proper divisors (14086125806).

21821848114 is a wasteful number, since it uses less digits than its factorization.

21821848114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541545.

The product of its digits is 32768, while the sum is 40.

The spelling of 21821848114 in words is "twenty-one billion, eight hundred twenty-one million, eight hundred forty-eight thousand, one hundred fourteen".