12101110120101 has 32 divisors (see below), whose sum is σ = 17106047041536. Its totient is φ = 7595891208000.

The previous prime is 12101110119947. The next prime is 12101110120117. The reversal of 12101110120101 is 10102101110121.

It is not a de Polignac number, because 12101110120101 - 2⁹ = 12101110119589 is a prime.

It is a super-2 number, since 2×12101110120101² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101110120301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143691916 + ... + 143776106.

It is an arithmetic number, because the mean of its divisors is an integer number (534563970048).

Almost surely, 2^{12101110120101} is an apocalyptic number.

It is an amenable number.

12101110120101 is a deficient number, since it is larger than the sum of its proper divisors (5004936921435).

12101110120101 is a wasteful number, since it uses less digits than its factorization.

12101110120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126033.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12101110120101 its reverse (10102101110121), we get a palindrome (22203211230222).

The spelling of 12101110120101 in words is "twelve trillion, one hundred one billion, one hundred ten million, one hundred twenty thousand, one hundred one".