21113321130010 has 8 divisors (see below), whose sum is σ = 38003978034036. Its totient is φ = 8445328452000.

The previous prime is 21113321129993. The next prime is 21113321130029. The reversal of 21113321130010 is 1003112331112.

It can be written as a sum of positive squares in 2 ways, for example, as 18918298133289 + 2195022996721 = 4349517^2 + 1481561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21113321130010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055666056491 + ... + 1055666056510.

Almost surely, 2^{21113321130010} is an apocalyptic number.

21113321130010 is a deficient number, since it is larger than the sum of its proper divisors (16890656904026).

21113321130010 is a wasteful number, since it uses less digits than its factorization.

21113321130010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111332113008.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21113321130010 its reverse (1003112331112), we get a palindrome (22116433461122).

It can be divided in two parts, 21113 and 321130010, that added together give a palindrome (321151123).

The spelling of 21113321130010 in words is "twenty-one trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred thirty thousand, ten".