11222120000197 has 2 divisors, whose sum is σ = 11222120000198. Its totient is φ = 11222120000196.

The previous prime is 11222120000177. The next prime is 11222120000207. The reversal of 11222120000197 is 79100002122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10952399732481 + 269720267716 = 3309441^2 + 519346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222120000197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222120000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611060000098 + 5611060000099.

It is an arithmetic number, because the mean of its divisors is an integer number (5611060000099).

Almost surely, 2^{11222120000197} is an apocalyptic number.

It is an amenable number.

11222120000197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222120000197 is an equidigital number, since it uses as much as digits as its factorization.

11222120000197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 11222120000197 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, one hundred ninety-seven", and thus it is an aban number.