11112222120193 has 2 divisors, whose sum is σ = 11112222120194. Its totient is φ = 11112222120192.

The previous prime is 11112222120179. The next prime is 11112222120217. The reversal of 11112222120193 is 39102122221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9577242362944 + 1534979757249 = 3094712^2 + 1238943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112222120193 is a prime.

It is a super-2 number, since 2×11112222120193² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11112222120173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556111060096 + 5556111060097.

It is an arithmetic number, because the mean of its divisors is an integer number (5556111060097).

Almost surely, 2^{11112222120193} is an apocalyptic number.

It is an amenable number.

11112222120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112222120193 is an equidigital number, since it uses as much as digits as its factorization.

11112222120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 11112222120193 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty thousand, one hundred ninety-three".