2142311211 has 24 divisors (see below), whose sum is σ = 3180727680. Its totient is φ = 1388451456.

The previous prime is 2142311207. The next prime is 2142311263. The reversal of 2142311211 is 1121132412.

2142311211 is a `hidden beast` number, since 2 + 142 + 311 + 211 = 666.

It is not a de Polignac number, because 2142311211 - 2² = 2142311207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142311711) 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, 605295 + ... + 608823.

It is an arithmetic number, because the mean of its divisors is an integer number (132530320).

Almost surely, 2^2142311211 is an apocalyptic number.

2142311211 is a deficient number, since it is larger than the sum of its proper divisors (1038416469).

2142311211 is a wasteful number, since it uses less digits than its factorization.

2142311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 5392 counting only the distinct ones).

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

The square root of 2142311211 is about 46285.1078749958. The cubic root of 2142311211 is about 1289.1224949858.

Adding to 2142311211 its reverse (1121132412), we get a palindrome (3263443623).

The spelling of 2142311211 in words is "two billion, one hundred forty-two million, three hundred eleven thousand, two hundred eleven".