2120340601 has 2 divisors, whose sum is σ = 2120340602. Its totient is φ = 2120340600.

The previous prime is 2120340581. The next prime is 2120340613. The reversal of 2120340601 is 1060430212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524980601 + 595360000 = 39051^2 + 24400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120340601 - 2¹⁹ = 2119816313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120340671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060170300 + 1060170301.

It is an arithmetic number, because the mean of its divisors is an integer number (1060170301).

Almost surely, 2^2120340601 is an apocalyptic number.

It is an amenable number.

2120340601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120340601 is an equidigital number, since it uses as much as digits as its factorization.

2120340601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2120340601 is about 46047.1562748450. The cubic root of 2120340601 is about 1284.7004506994.

Adding to 2120340601 its reverse (1060430212), we get a palindrome (3180770813).

The spelling of 2120340601 in words is "two billion, one hundred twenty million, three hundred forty thousand, six hundred one".