3301121261 has 2 divisors, whose sum is σ = 3301121262. Its totient is φ = 3301121260.

The previous prime is 3301121233. The next prime is 3301121267. The reversal of 3301121261 is 1621211033.

3301121261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3093473161 + 207648100 = 55619^2 + 14410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3301121261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3301121267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650560630 + 1650560631.

It is an arithmetic number, because the mean of its divisors is an integer number (1650560631).

Almost surely, 2^3301121261 is an apocalyptic number.

It is an amenable number.

3301121261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3301121261 is an equidigital number, since it uses as much as digits as its factorization.

3301121261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3301121261 is about 57455.3849608546. The cubic root of 3301121261 is about 1488.9741540217.

Adding to 3301121261 its reverse (1621211033), we get a palindrome (4922332294).

The spelling of 3301121261 in words is "three billion, three hundred one million, one hundred twenty-one thousand, two hundred sixty-one".