21110231313230 has 8 divisors (see below), whose sum is σ = 37998416363832. Its totient is φ = 8444092525288.

The previous prime is 21110231313131. The next prime is 21110231313239. The reversal of 21110231313230 is 3231313201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21110231313196 and 21110231313205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110231313239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055511565652 + ... + 1055511565671.

It is an arithmetic number, because the mean of its divisors is an integer number (4749802045479).

Almost surely, 2^{21110231313230} is an apocalyptic number.

21110231313230 is a deficient number, since it is larger than the sum of its proper divisors (16888185050602).

21110231313230 is a wasteful number, since it uses less digits than its factorization.

21110231313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111023131330.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21110231313230 its reverse (3231313201112), we get a palindrome (24341544514342).

The spelling of 21110231313230 in words is "twenty-one trillion, one hundred ten billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred thirty".