21331133111130 has 32 divisors (see below), whose sum is σ = 51197050517184. Its totient is φ = 5688043157376.

The previous prime is 21331133111129. The next prime is 21331133111149. The reversal of 21331133111130 is 3111133113312.

It is a self number, because there is not a number n which added to its sum of digits gives 21331133111130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15517552 + ... + 16836171.

It is an arithmetic number, because the mean of its divisors is an integer number (1599907828662).

Almost surely, 2^{21331133111130} is an apocalyptic number.

21331133111130 is an abundant number, since it is smaller than the sum of its proper divisors (29865917406054).

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

21331133111130 is a wasteful number, since it uses less digits than its factorization.

21331133111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32375710.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 21331133111130 its reverse (3111133113312), we get a palindrome (24442266224442).

The spelling of 21331133111130 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred thirty-three million, one hundred eleven thousand, one hundred thirty".