12101110100001 has 32 divisors (see below), whose sum is σ = 20322752016000. Its totient is φ = 7054898192064.

The previous prime is 12101110099979. The next prime is 12101110100017. The reversal of 12101110100001 is 10000101110121.

It is not a de Polignac number, because 12101110100001 - 2⁷ = 12101110099873 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12101110100801) 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, 907259046 + ... + 907272383.

It is an arithmetic number, because the mean of its divisors is an integer number (635086000500).

Almost surely, 2^{12101110100001} is an apocalyptic number.

It is an amenable number.

12101110100001 is a deficient number, since it is larger than the sum of its proper divisors (8221641915999).

12101110100001 is a wasteful number, since it uses less digits than its factorization.

12101110100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814531470 (or 1814531464 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12101110100001 its reverse (10000101110121), we get a palindrome (22101211210122).

The spelling of 12101110100001 in words is "twelve trillion, one hundred one billion, one hundred ten million, one hundred thousand, one".