11220122223997 has 2 divisors, whose sum is σ = 11220122223998. Its totient is φ = 11220122223996.

The previous prime is 11220122223983. The next prime is 11220122224039. The reversal of 11220122223997 is 79932222102211.

11220122223997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9368533369636 + 1851588854361 = 3060806^2 + 1360731^2 .

It is an emirp because it is prime and its reverse (79932222102211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220122223997 - 2¹¹ = 11220122221949 is a prime.

It is a super-2 number, since 2×11220122223997² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220122223977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610061111998 + 5610061111999.

It is an arithmetic number, because the mean of its divisors is an integer number (5610061111999).

Almost surely, 2^{11220122223997} is an apocalyptic number.

It is an amenable number.

11220122223997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220122223997 is an equidigital number, since it uses as much as digits as its factorization.

11220122223997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 11220122223997 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-three thousand, nine hundred ninety-seven".