21133100010 has 64 divisors (see below), whose sum is σ = 58585037184. Its totient is φ = 4821811200.

The previous prime is 21133099997. The next prime is 21133100059. The reversal of 21133100010 is 1000133112.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1877911 + ... + 1889130.

It is an arithmetic number, because the mean of its divisors is an integer number (915391206).

Almost surely, 2^21133100010 is an apocalyptic number.

21133100010 is an abundant number, since it is smaller than the sum of its proper divisors (37451937174).

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

21133100010 is a wasteful number, since it uses less digits than its factorization.

21133100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767079.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21133100010 its reverse (1000133112), we get a palindrome (22133233122).

The spelling of 21133100010 in words is "twenty-one billion, one hundred thirty-three million, one hundred thousand, ten".