11122790012197 has 2 divisors, whose sum is σ = 11122790012198. Its totient is φ = 11122790012196.

The previous prime is 11122790012161. The next prime is 11122790012219. The reversal of 11122790012197 is 79121009722111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8240108972481 + 2882681039716 = 2870559^2 + 1697846^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122790012197 - 2⁷ = 11122790012069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122790013197) 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, 5561395006098 + 5561395006099.

It is an arithmetic number, because the mean of its divisors is an integer number (5561395006099).

Almost surely, 2^{11122790012197} is an apocalyptic number.

It is an amenable number.

11122790012197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122790012197 is an equidigital number, since it uses as much as digits as its factorization.

11122790012197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 43.

The spelling of 11122790012197 in words is "eleven trillion, one hundred twenty-two billion, seven hundred ninety million, twelve thousand, one hundred ninety-seven".