2121123330223 has 8 divisors (see below), whose sum is σ = 2214148314240. Its totient is φ = 2029635949440.

The previous prime is 2121123330203. The next prime is 2121123330241. The reversal of 2121123330223 is 3220333211212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121123330223 - 2⁹ = 2121123329711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121123330203) 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, 384397990 + ... + 384403507.

It is an arithmetic number, because the mean of its divisors is an integer number (276768539280).

Almost surely, 2^{2121123330223} is an apocalyptic number.

2121123330223 is a deficient number, since it is larger than the sum of its proper divisors (93024984017).

2121123330223 is an equidigital number, since it uses as much as digits as its factorization.

2121123330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768801617.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2121123330223 its reverse (3220333211212), we get a palindrome (5341456541435).

The spelling of 2121123330223 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred thirty thousand, two hundred twenty-three".