2101333361 has 2 divisors, whose sum is σ = 2101333362. Its totient is φ = 2101333360.

The previous prime is 2101333349. The next prime is 2101333369. The reversal of 2101333361 is 1633331012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1940931136 + 160402225 = 44056^2 + 12665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101333361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101333369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050666680 + 1050666681.

It is an arithmetic number, because the mean of its divisors is an integer number (1050666681).

Almost surely, 2^2101333361 is an apocalyptic number.

It is an amenable number.

2101333361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101333361 is an equidigital number, since it uses as much as digits as its factorization.

2101333361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2101333361 is about 45840.3028022285. The cubic root of 2101333361 is about 1280.8501353154.

Adding to 2101333361 its reverse (1633331012), we get a palindrome (3734664373).

The spelling of 2101333361 in words is "two billion, one hundred one million, three hundred thirty-three thousand, three hundred sixty-one".