12101200111121 has 8 divisors (see below), whose sum is σ = 13201569827904. Its totient is φ = 11000873830320.

The previous prime is 12101200111073. The next prime is 12101200111181. The reversal of 12101200111121 is 12111100210121.

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

It is a de Polignac number, because none of the positive numbers 2^k-12101200111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101200111096 and 12101200111105.

It is not an unprimeable number, because it can be changed into a prime (12101200111181) 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, 10275101 + ... + 11392106.

It is an arithmetic number, because the mean of its divisors is an integer number (1650196228488).

Almost surely, 2^{12101200111121} is an apocalyptic number.

12101200111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101200111121 is a deficient number, since it is larger than the sum of its proper divisors (1100369716783).

12101200111121 is a wasteful number, since it uses less digits than its factorization.

12101200111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717991.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12101200111121 its reverse (12111100210121), we get a palindrome (24212300321242).

The spelling of 12101200111121 in words is "twelve trillion, one hundred one billion, two hundred million, one hundred eleven thousand, one hundred twenty-one".