21003311202230 has 32 divisors (see below), whose sum is σ = 43207467958080. Its totient is φ = 7201025879040.

The previous prime is 21003311202229. The next prime is 21003311202239. The reversal of 21003311202230 is 3220211330012.

It is a super-4 number, since 4×21003311202230⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003311202239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431070 + ... + 6922190.

It is an arithmetic number, because the mean of its divisors is an integer number (1350233373690).

Almost surely, 2^{21003311202230} is an apocalyptic number.

21003311202230 is an abundant number, since it is smaller than the sum of its proper divisors (22204156755850).

21003311202230 is a wasteful number, since it uses less digits than its factorization.

21003311202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557944.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21003311202230 its reverse (3220211330012), we get a palindrome (24223522532242).

The spelling of 21003311202230 in words is "twenty-one trillion, three billion, three hundred eleven million, two hundred two thousand, two hundred thirty".