21003332122230 has 16 divisors (see below), whose sum is σ = 50407997093424. Its totient is φ = 5600888565920.

The previous prime is 21003332122163. The next prime is 21003332122247. The reversal of 21003332122230 is 3222123330012.

It is a super-3 number, since 3×21003332122230³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 21003332122230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350055535341 + ... + 350055535400.

It is an arithmetic number, because the mean of its divisors is an integer number (3150499818339).

Almost surely, 2^{21003332122230} is an apocalyptic number.

21003332122230 is an abundant number, since it is smaller than the sum of its proper divisors (29404664971194).

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

21003332122230 is a wasteful number, since it uses less digits than its factorization.

21003332122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700111070751.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21003332122230 its reverse (3222123330012), we get a palindrome (24225455452242).

The spelling of 21003332122230 in words is "twenty-one trillion, three billion, three hundred thirty-two million, one hundred twenty-two thousand, two hundred thirty".