21113320122230 has 64 divisors (see below), whose sum is σ = 46080166464000. Its totient is φ = 6799384180224.

The previous prime is 21113320122203. The next prime is 21113320122241. The reversal of 21113320122230 is 3222102331112.

It is a junction number, because it is equal to n+sod(n) for n = 21113320122196 and 21113320122205.

It is a congruent 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, 17184032 + ... + 18371651.

It is an arithmetic number, because the mean of its divisors is an integer number (720002601000).

Almost surely, 2^{21113320122230} is an apocalyptic number.

21113320122230 is an abundant number, since it is smaller than the sum of its proper divisors (24966846341770).

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

21113320122230 is a wasteful number, since it uses less digits than its factorization.

21113320122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35556213.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21113320122230 its reverse (3222102331112), we get a palindrome (24335422453342).

The spelling of 21113320122230 in words is "twenty-one trillion, one hundred thirteen billion, three hundred twenty million, one hundred twenty-two thousand, two hundred thirty".