21304020040110 has 48 divisors (see below), whose sum is σ = 56568972373056. Its totient is φ = 5560198137024.

The previous prime is 21304020040109. The next prime is 21304020040139. The reversal of 21304020040110 is 1104002040312.

21304020040110 is a `hidden beast` number, since 2 + 13 + 0 + 40 + 200 + 401 + 10 = 666.

It is a super-2 number, since 2×21304020040110² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

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, 2518201449 + ... + 2518209908.

It is an arithmetic number, because the mean of its divisors is an integer number (1178520257772).

Almost surely, 2^{21304020040110} is an apocalyptic number.

21304020040110 is an abundant number, since it is smaller than the sum of its proper divisors (35264952332946).

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

21304020040110 is a wasteful number, since it uses less digits than its factorization.

21304020040110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036411417 (or 5036411414 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21304020040110 its reverse (1104002040312), we get a palindrome (22408022080422).

The spelling of 21304020040110 in words is "twenty-one trillion, three hundred four billion, twenty million, forty thousand, one hundred ten".