11200110021161 has 2 divisors, whose sum is σ = 11200110021162. Its totient is φ = 11200110021160.

The previous prime is 11200110021091. The next prime is 11200110021193. The reversal of 11200110021161 is 16112001100211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8464579266025 + 2735530755136 = 2909395^2 + 1653944^2 .

It is an emirp because it is prime and its reverse (16112001100211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11200110021161 - 2²⁶ = 11200042912297 is a prime.

It is a super-2 number, since 2×11200110021161² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11200116021161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600055010580 + 5600055010581.

It is an arithmetic number, because the mean of its divisors is an integer number (5600055010581).

Almost surely, 2^{11200110021161} is an apocalyptic number.

It is an amenable number.

11200110021161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200110021161 is an equidigital number, since it uses as much as digits as its factorization.

11200110021161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11200110021161 its reverse (16112001100211), we get a palindrome (27312111121372).

The spelling of 11200110021161 in words is "eleven trillion, two hundred billion, one hundred ten million, twenty-one thousand, one hundred sixty-one".