2120142225 has 12 divisors (see below), whose sum is σ = 3505301936. Its totient is φ = 1130742480.

The previous prime is 2120142221. The next prime is 2120142229. The reversal of 2120142225 is 5222410212.

It is an interprime number because it is at equal distance from previous prime (2120142221) and next prime (2120142229).

It is not a de Polignac number, because 2120142225 - 2² = 2120142221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14134207 + ... + 14134356.

Almost surely, 2^2120142225 is an apocalyptic number.

2120142225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2120142225 is a deficient number, since it is larger than the sum of its proper divisors (1385159711).

2120142225 is a wasteful number, since it uses less digits than its factorization.

2120142225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28268576 (or 28268571 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2120142225 is about 46045.0021717884. The cubic root of 2120142225 is about 1284.6603845445.

Adding to 2120142225 its reverse (5222410212), we get a palindrome (7342552437).

The spelling of 2120142225 in words is "two billion, one hundred twenty million, one hundred forty-two thousand, two hundred twenty-five".