11021110212197 has 2 divisors, whose sum is σ = 11021110212198. Its totient is φ = 11021110212196.

The previous prime is 11021110212179. The next prime is 11021110212271. The reversal of 11021110212197 is 79121201112011.

11021110212197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11021110212179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9695040506596 + 1326069705601 = 3113686^2 + 1151551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021110212197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021110212397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510555106098 + 5510555106099.

It is an arithmetic number, because the mean of its divisors is an integer number (5510555106099).

Almost surely, 2^{11021110212197} is an apocalyptic number.

It is an amenable number.

11021110212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021110212197 is an equidigital number, since it uses as much as digits as its factorization.

11021110212197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 11021110212197 in words is "eleven trillion, twenty-one billion, one hundred ten million, two hundred twelve thousand, one hundred ninety-seven".