2112907361 has 2 divisors, whose sum is σ = 2112907362. Its totient is φ = 2112907360.

The previous prime is 2112907337. The next prime is 2112907367. The reversal of 2112907361 is 1637092112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126005136 + 986902225 = 33556^2 + 31415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112907361 - 2¹⁸ = 2112645217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112907367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056453680 + 1056453681.

It is an arithmetic number, because the mean of its divisors is an integer number (1056453681).

Almost surely, 2^2112907361 is an apocalyptic number.

It is an amenable number.

2112907361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112907361 is an equidigital number, since it uses as much as digits as its factorization.

2112907361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2112907361 is about 45966.3720669796. The cubic root of 2112907361 is about 1283.1974425329.

Adding to 2112907361 its reverse (1637092112), we get a palindrome (3749999473).

The spelling of 2112907361 in words is "two billion, one hundred twelve million, nine hundred seven thousand, three hundred sixty-one".