21101100321230 has 8 divisors (see below), whose sum is σ = 37981980578232. Its totient is φ = 8440440128488.

The previous prime is 21101100321229. The next prime is 21101100321247. The reversal of 21101100321230 is 3212300110112.

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

It is a super-2 number, since 2×21101100321230² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21101100321199 and 21101100321208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055055016052 + ... + 1055055016071.

It is an arithmetic number, because the mean of its divisors is an integer number (4747747572279).

Almost surely, 2^{21101100321230} is an apocalyptic number.

21101100321230 is a deficient number, since it is larger than the sum of its proper divisors (16880880257002).

21101100321230 is a wasteful number, since it uses less digits than its factorization.

21101100321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110110032130.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21101100321230 its reverse (3212300110112), we get a palindrome (24313400431342).

The spelling of 21101100321230 in words is "twenty-one trillion, one hundred one billion, one hundred million, three hundred twenty-one thousand, two hundred thirty".