11120121219197 has 2 divisors, whose sum is σ = 11120121219198. Its totient is φ = 11120121219196.

The previous prime is 11120121219161. The next prime is 11120121219247. The reversal of 11120121219197 is 79191212102111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7164433809316 + 3955687409881 = 2676646^2 + 1988891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120121219197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11120121219197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120121219127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560060609598 + 5560060609599.

It is an arithmetic number, because the mean of its divisors is an integer number (5560060609599).

Almost surely, 2^{11120121219197} is an apocalyptic number.

It is an amenable number.

11120121219197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120121219197 is an equidigital number, since it uses as much as digits as its factorization.

11120121219197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 38.

The spelling of 11120121219197 in words is "eleven trillion, one hundred twenty billion, one hundred twenty-one million, two hundred nineteen thousand, one hundred ninety-seven".