2123203220411 has 32 divisors (see below), whose sum is σ = 2768738112000. Its totient is φ = 1580023097856.

The previous prime is 2123203220317. The next prime is 2123203220449. The reversal of 2123203220411 is 1140223023212.

It is not a de Polignac number, because 2123203220411 - 2³⁴ = 2106023351227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123203220491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1861160 + ... + 2776746.

It is an arithmetic number, because the mean of its divisors is an integer number (86523066000).

Almost surely, 2^{2123203220411} is an apocalyptic number.

2123203220411 is a deficient number, since it is larger than the sum of its proper divisors (645534891589).

2123203220411 is a wasteful number, since it uses less digits than its factorization.

2123203220411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917123.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2123203220411 its reverse (1140223023212), we get a palindrome (3263426243623).

The spelling of 2123203220411 in words is "two trillion, one hundred twenty-three billion, two hundred three million, two hundred twenty thousand, four hundred eleven".