11000021120197 has 2 divisors, whose sum is σ = 11000021120198. Its totient is φ = 11000021120196.

The previous prime is 11000021120191. The next prime is 11000021120213. The reversal of 11000021120197 is 79102112000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10191890240676 + 808130879521 = 3192474^2 + 898961^2 .

It is an emirp because it is prime and its reverse (79102112000011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000021120197 - 2³ = 11000021120189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000021120191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500010560098 + 5500010560099.

It is an arithmetic number, because the mean of its divisors is an integer number (5500010560099).

Almost surely, 2^{11000021120197} is an apocalyptic number.

It is an amenable number.

11000021120197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000021120197 is an equidigital number, since it uses as much as digits as its factorization.

11000021120197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 11000021120197 in words is "eleven trillion, twenty-one million, one hundred twenty thousand, one hundred ninety-seven".