21116002410 has 48 divisors (see below), whose sum is σ = 54909522720. Its totient is φ = 5630122080.

The previous prime is 21116002381. The next prime is 21116002421. The reversal of 21116002410 is 1420061112.

21116002410 is a `hidden beast` number, since 21 + 1 + 1 + 600 + 2 + 41 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864465 + ... + 888555.

It is an arithmetic number, because the mean of its divisors is an integer number (1143948390).

Almost surely, 2^21116002410 is an apocalyptic number.

21116002410 is an abundant number, since it is smaller than the sum of its proper divisors (33793520310).

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

21116002410 is a wasteful number, since it uses less digits than its factorization.

21116002410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843 (or 33840 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21116002410 its reverse (1420061112), we get a palindrome (22536063522).

The spelling of 21116002410 in words is "twenty-one billion, one hundred sixteen million, two thousand, four hundred ten".