2102540116 has 12 divisors (see below), whose sum is σ = 3681406260. Its totient is φ = 1050709760.

The previous prime is 2102540071. The next prime is 2102540117. The reversal of 2102540116 is 6110452012.

It can be written as a sum of positive squares in 2 ways, for example, as 1104232900 + 998307216 = 33230^2 + 31596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102540117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131575 + ... + 146686.

It is an arithmetic number, because the mean of its divisors is an integer number (306783855).

Almost surely, 2^2102540116 is an apocalyptic number.

It is an amenable number.

2102540116 is a deficient number, since it is larger than the sum of its proper divisors (1578866144).

2102540116 is a wasteful number, since it uses less digits than its factorization.

2102540116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280154 (or 280152 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2102540116 is about 45853.4635114950. The cubic root of 2102540116 is about 1281.0952775260.

Adding to 2102540116 its reverse (6110452012), we get a palindrome (8212992128).

The spelling of 2102540116 in words is "two billion, one hundred two million, five hundred forty thousand, one hundred sixteen".