21114204104 has 32 divisors (see below), whose sum is σ = 45249667200. Its totient is φ = 9047955840.

The previous prime is 21114204071. The next prime is 21114204107. The reversal of 21114204104 is 40140241112.

It is a super-2 number, since 2×21114204104² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21114204107) 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, 754637 + ... + 782115.

It is an arithmetic number, because the mean of its divisors is an integer number (1414052100).

Almost surely, 2^21114204104 is an apocalyptic number.

It is an amenable number.

21114204104 is an abundant number, since it is smaller than the sum of its proper divisors (24135463096).

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

21114204104 is a wasteful number, since it uses less digits than its factorization.

21114204104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41213 (or 41209 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21114204104 its reverse (40140241112), we get a palindrome (61254445216).

The spelling of 21114204104 in words is "twenty-one billion, one hundred fourteen million, two hundred four thousand, one hundred four".