2123412101211 has 16 divisors (see below), whose sum is σ = 2873652110208. Its totient is φ = 1394547835200.

The previous prime is 2123412101189. The next prime is 2123412101227. The reversal of 2123412101211 is 1121012143212.

It is not a de Polignac number, because 2123412101211 - 2¹⁷ = 2123411970139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123412101311) 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 15 ways as a sum of consecutive naturals, for example, 19665445 + ... + 19773126.

It is an arithmetic number, because the mean of its divisors is an integer number (179603256888).

Almost surely, 2^{2123412101211} is an apocalyptic number.

2123412101211 is a deficient number, since it is larger than the sum of its proper divisors (750240008997).

2123412101211 is a wasteful number, since it uses less digits than its factorization.

2123412101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39438842.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 2123412101211 its reverse (1121012143212), we get a palindrome (3244424244423).

The spelling of 2123412101211 in words is "two trillion, one hundred twenty-three billion, four hundred twelve million, one hundred one thousand, two hundred eleven".