12161110602011 has 8 divisors (see below), whose sum is σ = 13898543602944. Its totient is φ = 10423710472680.

The previous prime is 12161110601999. The next prime is 12161110602019. The reversal of 12161110602011 is 11020601116121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12161110602011 - 2⁶ = 12161110601947 is a prime.

It is a super-2 number, since 2×12161110602011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12161110602019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7419965 + ... + 8909438.

It is an arithmetic number, because the mean of its divisors is an integer number (1737317950368).

Almost surely, 2^{12161110602011} is an apocalyptic number.

12161110602011 is a deficient number, since it is larger than the sum of its proper divisors (1737433000933).

12161110602011 is a wasteful number, since it uses less digits than its factorization.

12161110602011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435801.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 12161110602011 its reverse (11020601116121), we get a palindrome (23181711718132).

The spelling of 12161110602011 in words is "twelve trillion, one hundred sixty-one billion, one hundred ten million, six hundred two thousand, eleven".