2150421125 has 16 divisors (see below), whose sum is σ = 2709797376. Its totient is φ = 1703624400.

The previous prime is 2150421109. The next prime is 2150421139. The reversal of 2150421125 is 5211240512.

It is not a de Polignac number, because 2150421125 - 2⁴ = 2150421109 is a prime.

It is a super-2 number, since 2×2150421125² = 9248622029692531250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150421125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70637 + ... + 96386.

It is an arithmetic number, because the mean of its divisors is an integer number (169362336).

Almost surely, 2^2150421125 is an apocalyptic number.

2150421125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150421125 is a deficient number, since it is larger than the sum of its proper divisors (559376251).

2150421125 is a wasteful number, since it uses less digits than its factorization.

2150421125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167141 (or 167131 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2150421125 is about 46372.6333627928. The cubic root of 2150421125 is about 1290.7471434526.

Adding to 2150421125 its reverse (5211240512), we get a palindrome (7361661637).

The spelling of 2150421125 in words is "two billion, one hundred fifty million, four hundred twenty-one thousand, one hundred twenty-five".