21010032332223 has 8 divisors (see below), whose sum is σ = 30560047028736. Its totient is φ = 12733352928600.

The previous prime is 21010032332213. The next prime is 21010032332243. The reversal of 21010032332223 is 32223323001012.

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

It is not a de Polignac number, because 21010032332223 - 2⁹ = 21010032331711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21010032332193 and 21010032332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010032332213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318333823183 + ... + 318333823248.

It is an arithmetic number, because the mean of its divisors is an integer number (3820005878592).

Almost surely, 2^{21010032332223} is an apocalyptic number.

21010032332223 is a deficient number, since it is larger than the sum of its proper divisors (9550014696513).

21010032332223 is a wasteful number, since it uses less digits than its factorization.

21010032332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636667646445.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21010032332223 its reverse (32223323001012), we get a palindrome (53233355333235).

The spelling of 21010032332223 in words is "twenty-one trillion, ten billion, thirty-two million, three hundred thirty-two thousand, two hundred twenty-three".