21230112320230 has 16 divisors (see below), whose sum is σ = 41688220556304. Its totient is φ = 7720040843680.

The previous prime is 21230112320203. The next prime is 21230112320237. The reversal of 21230112320230 is 3202321103212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230112320237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96500510437 + ... + 96500510656.

It is an arithmetic number, because the mean of its divisors is an integer number (2605513784769).

Almost surely, 2^{21230112320230} is an apocalyptic number.

21230112320230 is a deficient number, since it is larger than the sum of its proper divisors (20458108236074).

21230112320230 is a wasteful number, since it uses less digits than its factorization.

21230112320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193001021111.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21230112320230 its reverse (3202321103212), we get a palindrome (24432433423442).

The spelling of 21230112320230 in words is "twenty-one trillion, two hundred thirty billion, one hundred twelve million, three hundred twenty thousand, two hundred thirty".