1201311221107 has 2 divisors, whose sum is σ = 1201311221108. Its totient is φ = 1201311221106.

The previous prime is 1201311221059. The next prime is 1201311221219. The reversal of 1201311221107 is 7011221131021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201311221107 - 2⁷ = 1201311220979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201311221707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600655610553 + 600655610554.

It is an arithmetic number, because the mean of its divisors is an integer number (600655610554).

Almost surely, 2^{1201311221107} is an apocalyptic number.

1201311221107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201311221107 is an equidigital number, since it uses as much as digits as its factorization.

1201311221107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 1201311221107 its reverse (7011221131021), we get a palindrome (8212532352128).

The spelling of 1201311221107 in words is "one trillion, two hundred one billion, three hundred eleven million, two hundred twenty-one thousand, one hundred seven".