2144120211 has 6 divisors (see below), whose sum is σ = 3097062540. Its totient is φ = 1429413468.

The previous prime is 2144120197. The next prime is 2144120219. The reversal of 2144120211 is 1120214412.

2144120211 is a `hidden beast` number, since 21 + 441 + 202 + 1 + 1 = 666.

It is not a de Polignac number, because 2144120211 - 2²⁹ = 1607249299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144120219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119117781 + ... + 119117798.

It is an arithmetic number, because the mean of its divisors is an integer number (516177090).

Almost surely, 2^2144120211 is an apocalyptic number.

2144120211 is a deficient number, since it is larger than the sum of its proper divisors (952942329).

2144120211 is a wasteful number, since it uses less digits than its factorization.

2144120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238235585 (or 238235582 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2144120211 is about 46304.6456740574. The cubic root of 2144120211 is about 1289.4852444143.

Adding to 2144120211 its reverse (1120214412), we get a palindrome (3264334623).

The spelling of 2144120211 in words is "two billion, one hundred forty-four million, one hundred twenty thousand, two hundred eleven".