2120519101 has 2 divisors, whose sum is σ = 2120519102. Its totient is φ = 2120519100.

The previous prime is 2120519081. The next prime is 2120519119. The reversal of 2120519101 is 1019150212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1520220100 + 600299001 = 38990^2 + 24501^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120519101 - 2²⁹ = 1583648189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120519131) 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 as a sum of consecutive naturals, namely, 1060259550 + 1060259551.

It is an arithmetic number, because the mean of its divisors is an integer number (1060259551).

Almost surely, 2^2120519101 is an apocalyptic number.

It is an amenable number.

2120519101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120519101 is an equidigital number, since it uses as much as digits as its factorization.

2120519101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 2120519101 is about 46049.0944644952. The cubic root of 2120519101 is about 1284.7365003473.

Adding to 2120519101 its reverse (1019150212), we get a palindrome (3139669313).

The spelling of 2120519101 in words is "two billion, one hundred twenty million, five hundred nineteen thousand, one hundred one".