12001112122101 has 8 divisors (see below), whose sum is σ = 16062324970560. Its totient is φ = 7970320344192.

The previous prime is 12001112122067. The next prime is 12001112122141. The reversal of 12001112122101 is 10122121110021.

It is a happy number.

12001112122101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12001112122101 - 2²¹ = 12001110024949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001112122141) 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, 7605266716 + ... + 7605268293.

It is an arithmetic number, because the mean of its divisors is an integer number (2007790621320).

Almost surely, 2^{12001112122101} is an apocalyptic number.

It is an amenable number.

12001112122101 is a deficient number, since it is larger than the sum of its proper divisors (4061212848459).

12001112122101 is a wasteful number, since it uses less digits than its factorization.

12001112122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210535275.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12001112122101 its reverse (10122121110021), we get a palindrome (22123233232122).

The spelling of 12001112122101 in words is "twelve trillion, one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred one".