2152210125 has 32 divisors (see below), whose sum is σ = 3856769280. Its totient is φ = 1059547200.

The previous prime is 2152210103. The next prime is 2152210127. The reversal of 2152210125 is 5210122512.

It is not a de Polignac number, because 2152210125 - 2¹⁴ = 2152193741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152210127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215865 + ... + 225614.

It is an arithmetic number, because the mean of its divisors is an integer number (120524040).

Almost surely, 2^2152210125 is an apocalyptic number.

2152210125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2152210125 is a deficient number, since it is larger than the sum of its proper divisors (1704559155).

2152210125 is a wasteful number, since it uses less digits than its factorization.

2152210125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441510 (or 441500 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2152210125 is about 46391.9187466955. The cubic root of 2152210125 is about 1291.1049813600.

Adding to 2152210125 its reverse (5210122512), we get a palindrome (7362332637).

The spelling of 2152210125 in words is "two billion, one hundred fifty-two million, two hundred ten thousand, one hundred twenty-five".