1121110066161 has 16 divisors (see below), whose sum is σ = 1696242182400. Its totient is φ = 731504439504.

The previous prime is 1121110066157. The next prime is 1121110066163. The reversal of 1121110066161 is 1616600111211.

1121110066161 is a `hidden beast` number, since 11 + 21 + 1 + 10 + 0 + 6 + 616 + 1 = 666.

It is not a de Polignac number, because 1121110066161 - 2² = 1121110066157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121110066163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441728466 + ... + 441731003.

It is an arithmetic number, because the mean of its divisors is an integer number (106015136400).

Almost surely, 2^{1121110066161} is an apocalyptic number.

It is an amenable number.

1121110066161 is a deficient number, since it is larger than the sum of its proper divisors (575132116239).

1121110066161 is an equidigital number, since it uses as much as digits as its factorization.

1121110066161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883459525 (or 883459519 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

Adding to 1121110066161 its reverse (1616600111211), we get a palindrome (2737710177372).

The spelling of 1121110066161 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, sixty-six thousand, one hundred sixty-one".