21103213320230 has 8 divisors (see below), whose sum is σ = 37985783976432. Its totient is φ = 8441285328088.

The previous prime is 21103213320209. The next prime is 21103213320283. The reversal of 21103213320230 is 3202331230112.

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

It is a super-2 number, since 2×21103213320230² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21103213320196 and 21103213320205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055160666002 + ... + 1055160666021.

It is an arithmetic number, because the mean of its divisors is an integer number (4748222997054).

Almost surely, 2^{21103213320230} is an apocalyptic number.

21103213320230 is a deficient number, since it is larger than the sum of its proper divisors (16882570656202).

21103213320230 is a wasteful number, since it uses less digits than its factorization.

21103213320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110321332030.

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

Adding to 21103213320230 its reverse (3202331230112), we get a palindrome (24305544550342).

The spelling of 21103213320230 in words is "twenty-one trillion, one hundred three billion, two hundred thirteen million, three hundred twenty thousand, two hundred thirty".