12100000120101 has 24 divisors (see below), whose sum is σ = 17960355944960. Its totient is φ = 7844186352096.

The previous prime is 12100000120057. The next prime is 12100000120121. The reversal of 12100000120101 is 10102100000121.

It is a happy number.

It is not a de Polignac number, because 12100000120101 - 2⁶ = 12100000120037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100000120121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9742945 + ... + 10914438.

Almost surely, 2^{12100000120101} is an apocalyptic number.

It is an amenable number.

12100000120101 is a deficient number, since it is larger than the sum of its proper divisors (5860355824859).

12100000120101 is a wasteful number, since it uses less digits than its factorization.

12100000120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20659185 (or 20659182 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12100000120101 its reverse (10102100000121), we get a palindrome (22202100120222).

The spelling of 12100000120101 in words is "twelve trillion, one hundred billion, one hundred twenty thousand, one hundred one".