2021150125 has 16 divisors (see below), whose sum is σ = 2530554624. Its totient is φ = 1611690000.

The previous prime is 2021150083. The next prime is 2021150129. The reversal of 2021150125 is 5210511202.

It is not a de Polignac number, because 2021150125 - 2²⁵ = 1987595693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021150129) 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 15 ways as a sum of consecutive naturals, for example, 12880 + ... + 64870.

It is an arithmetic number, because the mean of its divisors is an integer number (158159664).

Almost surely, 2^2021150125 is an apocalyptic number.

2021150125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021150125 is a deficient number, since it is larger than the sum of its proper divisors (509404499).

2021150125 is an equidigital number, since it uses as much as digits as its factorization.

2021150125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52317 (or 52307 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2021150125 is about 44957.2032604343. The cubic root of 2021150125 is about 1264.3467336857.

Adding to 2021150125 its reverse (5210511202), we get a palindrome (7231661327).

The spelling of 2021150125 in words is "two billion, twenty-one million, one hundred fifty thousand, one hundred twenty-five".