351120202091 has 2 divisors, whose sum is σ = 351120202092. Its totient is φ = 351120202090.

The previous prime is 351120202073. The next prime is 351120202117. The reversal of 351120202091 is 190202021153.

It is a happy number.

It is an a-pointer prime, because the next prime (351120202117) can be obtained adding 351120202091 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (190202021153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351120202091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351120202091.

It is not a weakly prime, because it can be changed into another prime (351120204091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175560101045 + 175560101046.

It is an arithmetic number, because the mean of its divisors is an integer number (175560101046).

Almost surely, 2^351120202091 is an apocalyptic number.

351120202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

351120202091 is an equidigital number, since it uses as much as digits as its factorization.

351120202091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 351120202091 in words is "three hundred fifty-one billion, one hundred twenty million, two hundred two thousand, ninety-one".