2123356533211 has 8 divisors (see below), whose sum is σ = 2248881505200. Its totient is φ = 1997900633088.

The previous prime is 2123356533163. The next prime is 2123356533227. The reversal of 2123356533211 is 1123356533212.

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 2123356533211 - 2⁷ = 2123356533083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123356533611) 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, 17204661 + ... + 17327638.

It is an arithmetic number, because the mean of its divisors is an integer number (281110188150).

Almost surely, 2^{2123356533211} is an apocalyptic number.

2123356533211 is a deficient number, since it is larger than the sum of its proper divisors (125524971989).

2123356533211 is a wasteful number, since it uses less digits than its factorization.

2123356533211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34535933.

The product of its digits is 97200, while the sum is 37.

Subtracting from 2123356533211 its reverse (1123356533212), we obtain a palindrome (999999999999).

The spelling of 2123356533211 in words is "two trillion, one hundred twenty-three billion, three hundred fifty-six million, five hundred thirty-three thousand, two hundred eleven".