11020120211197 has 2 divisors, whose sum is σ = 11020120211198. Its totient is φ = 11020120211196.

The previous prime is 11020120211189. The next prime is 11020120211207. The reversal of 11020120211197 is 79111202102011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10861414383556 + 158705827641 = 3295666^2 + 398379^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020120211197 - 2³ = 11020120211189 is a prime.

It is a super-2 number, since 2×11020120211197² (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 (11020120215197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510060105598 + 5510060105599.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060105599).

Almost surely, 2^{11020120211197} is an apocalyptic number.

It is an amenable number.

11020120211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020120211197 is an equidigital number, since it uses as much as digits as its factorization.

11020120211197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 11020120211197 in words is "eleven trillion, twenty billion, one hundred twenty million, two hundred eleven thousand, one hundred ninety-seven".