3351221112949 has 2 divisors, whose sum is σ = 3351221112950. Its totient is φ = 3351221112948.

The previous prime is 3351221112947. The next prime is 3351221113027. The reversal of 3351221112949 is 9492111221533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3090539388049 + 260681724900 = 1757993^2 + 510570^2 .

It is an emirp because it is prime and its reverse (9492111221533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3351221112949 - 2¹ = 3351221112947 is a prime.

It is a super-2 number, since 2×3351221112949² (a number of 26 digits) contains 22 as substring.

Together with 3351221112947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3351221112947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675610556474 + 1675610556475.

It is an arithmetic number, because the mean of its divisors is an integer number (1675610556475).

Almost surely, 2^{3351221112949} is an apocalyptic number.

It is an amenable number.

3351221112949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3351221112949 is an equidigital number, since it uses as much as digits as its factorization.

3351221112949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The spelling of 3351221112949 in words is "three trillion, three hundred fifty-one billion, two hundred twenty-one million, one hundred twelve thousand, nine hundred forty-nine".