2143111052 has 24 divisors (see below), whose sum is σ = 4021335360. Its totient is φ = 995754240.

The previous prime is 2143111007. The next prime is 2143111063. The reversal of 2143111052 is 2501113412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194099 + ... + 204842.

It is an arithmetic number, because the mean of its divisors is an integer number (167555640).

Almost surely, 2^2143111052 is an apocalyptic number.

It is an amenable number.

2143111052 is a deficient number, since it is larger than the sum of its proper divisors (1878224308).

2143111052 is a wasteful number, since it uses less digits than its factorization.

2143111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399041 (or 399039 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2143111052 is about 46293.7474395841. The cubic root of 2143111052 is about 1289.2829081454.

Adding to 2143111052 its reverse (2501113412), we get a palindrome (4644224464).

The spelling of 2143111052 in words is "two billion, one hundred forty-three million, one hundred eleven thousand, fifty-two".