21130341104 has 20 divisors (see below), whose sum is σ = 43094775240. Its totient is φ = 10009108800.

The previous prime is 21130341103. The next prime is 21130341119. The reversal of 21130341104 is 40114303112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130341103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34753547 + ... + 34754154.

It is an arithmetic number, because the mean of its divisors is an integer number (2154738762).

Almost surely, 2^21130341104 is an apocalyptic number.

It is an amenable number.

21130341104 is an abundant number, since it is smaller than the sum of its proper divisors (21964434136).

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

21130341104 is a wasteful number, since it uses less digits than its factorization.

21130341104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69507728 (or 69507722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21130341104 its reverse (40114303112), we get a palindrome (61244644216).

The spelling of 21130341104 in words is "twenty-one billion, one hundred thirty million, three hundred forty-one thousand, one hundred four".