211143140001 has 24 divisors (see below), whose sum is σ = 305526252200. Its totient is φ = 140512237056.

The previous prime is 211143139973. The next prime is 211143140009. The reversal of 211143140001 is 100041341112.

It can be written as a sum of positive squares in 4 ways, for example, as 127867032225 + 83276107776 = 357585^2 + 288576^2 .

It is not a de Polignac number, because 211143140001 - 2⁷ = 211143139873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211143140009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21217575 + ... + 21227523.

Almost surely, 2^211143140001 is an apocalyptic number.

It is an amenable number.

211143140001 is a deficient number, since it is larger than the sum of its proper divisors (94383112199).

211143140001 is a wasteful number, since it uses less digits than its factorization.

211143140001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905 (or 13902 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211143140001 its reverse (100041341112), we get a palindrome (311184481113).

The spelling of 211143140001 in words is "two hundred eleven billion, one hundred forty-three million, one hundred forty thousand, one".