1331222220179 has 2 divisors, whose sum is σ = 1331222220180. Its totient is φ = 1331222220178.

The previous prime is 1331222220161. The next prime is 1331222220197. The reversal of 1331222220179 is 9710222221331.

Together with next prime (1331222220197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1331222220161) and next prime (1331222220197).

It is a cyclic number.

It is not a de Polignac number, because 1331222220179 - 2¹² = 1331222216083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331222270179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665611110089 + 665611110090.

It is an arithmetic number, because the mean of its divisors is an integer number (665611110090).

Almost surely, 2^{1331222220179} is an apocalyptic number.

1331222220179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331222220179 is an equidigital number, since it uses as much as digits as its factorization.

1331222220179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 1331222220179 in words is "one trillion, three hundred thirty-one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred seventy-nine".