1121221011107 has 2 divisors, whose sum is σ = 1121221011108. Its totient is φ = 1121221011106.

The previous prime is 1121221011083. The next prime is 1121221011137. The reversal of 1121221011107 is 7011101221211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7011101221211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121221011107 - 2¹⁰ = 1121221010083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121221011137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610505553 + 560610505554.

It is an arithmetic number, because the mean of its divisors is an integer number (560610505554).

Almost surely, 2^{1121221011107} is an apocalyptic number.

1121221011107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121221011107 is an equidigital number, since it uses as much as digits as its factorization.

1121221011107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 1121221011107 its reverse (7011101221211), we get a palindrome (8132322232318).

The spelling of 1121221011107 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, eleven thousand, one hundred seven".