12101112020001 has 16 divisors (see below), whose sum is σ = 16183028332224. Its totient is φ = 8043302851584.

The previous prime is 12101112019999. The next prime is 12101112020047. The reversal of 12101112020001 is 10002021110121.

It is not a de Polignac number, because 12101112020001 - 2¹ = 12101112019999 is a prime.

It is a super-2 number, since 2×12101112020001² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12101112021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66597865 + ... + 66779321.

It is an arithmetic number, because the mean of its divisors is an integer number (1011439270764).

Almost surely, 2^{12101112020001} is an apocalyptic number.

It is an amenable number.

12101112020001 is a deficient number, since it is larger than the sum of its proper divisors (4081916312223).

12101112020001 is a wasteful number, since it uses less digits than its factorization.

12101112020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247760.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101112020001 its reverse (10002021110121), we get a palindrome (22103133130122).

The spelling of 12101112020001 in words is "twelve trillion, one hundred one billion, one hundred twelve million, twenty thousand, one".