2120225137 has 2 divisors, whose sum is σ = 2120225138. Its totient is φ = 2120225136.

The previous prime is 2120225089. The next prime is 2120225167. The reversal of 2120225137 is 7315220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1246372416 + 873852721 = 35304^2 + 29561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120225137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120225167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060112568 + 1060112569.

It is an arithmetic number, because the mean of its divisors is an integer number (1060112569).

Almost surely, 2^2120225137 is an apocalyptic number.

It is an amenable number.

2120225137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120225137 is an equidigital number, since it uses as much as digits as its factorization.

2120225137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2120225137 is about 46045.9024995710. The cubic root of 2120225137 is about 1284.6771306496.

Adding to 2120225137 its reverse (7315220212), we get a palindrome (9435445349).

The spelling of 2120225137 in words is "two billion, one hundred twenty million, two hundred twenty-five thousand, one hundred thirty-seven".