21104340114 has 192 divisors, whose sum is σ = 52365398400. Its totient is φ = 5625016320.

The previous prime is 21104340071. The next prime is 21104340119. The reversal of 21104340114 is 41104340112.

It is not an unprimeable number, because it can be changed into a prime (21104340119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22716802 + ... + 22717730.

It is an arithmetic number, because the mean of its divisors is an integer number (272736450).

Almost surely, 2^21104340114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21104340114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26182699200).

21104340114 is an abundant number, since it is smaller than the sum of its proper divisors (31261058286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21104340114 is a wasteful number, since it uses less digits than its factorization.

21104340114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21104340114 its reverse (41104340112), we get a palindrome (62208680226).

The spelling of 21104340114 in words is "twenty-one billion, one hundred four million, three hundred forty thousand, one hundred fourteen".