21033110232230 has 16 divisors (see below), whose sum is σ = 37860690946464. Its totient is φ = 8413001308800.

The previous prime is 21033110232223. The next prime is 21033110232287. The reversal of 21033110232230 is 3223201133012.

It is a super-2 number, since 2×21033110232230² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21033110232196 and 21033110232205.

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, 29983946 + ... + 30677405.

It is an arithmetic number, because the mean of its divisors is an integer number (2366293184154).

Almost surely, 2^{21033110232230} is an apocalyptic number.

21033110232230 is a deficient number, since it is larger than the sum of its proper divisors (16827580714234).

21033110232230 is a wasteful number, since it uses less digits than its factorization.

21033110232230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60696031.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21033110232230 its reverse (3223201133012), we get a palindrome (24256311365242).

The spelling of 21033110232230 in words is "twenty-one trillion, thirty-three billion, one hundred ten million, two hundred thirty-two thousand, two hundred thirty".