2143255101 has 16 divisors (see below), whose sum is σ = 3078768000. Its totient is φ = 1318380480.

The previous prime is 2143255099. The next prime is 2143255111. The reversal of 2143255101 is 1015523412.

It is a happy number.

It is not a de Polignac number, because 2143255101 - 2¹ = 2143255099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143255111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97216 + ... + 117206.

It is an arithmetic number, because the mean of its divisors is an integer number (192423000).

Almost surely, 2^2143255101 is an apocalyptic number.

It is an amenable number.

2143255101 is a deficient number, since it is larger than the sum of its proper divisors (935512899).

2143255101 is a wasteful number, since it uses less digits than its factorization.

2143255101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2143255101 is about 46295.3032282974. The cubic root of 2143255101 is about 1289.3117938398.

Adding to 2143255101 its reverse (1015523412), we get a palindrome (3158778513).

The spelling of 2143255101 in words is "two billion, one hundred forty-three million, two hundred fifty-five thousand, one hundred one".