12101102001001 has 16 divisors (see below), whose sum is σ = 13133641131520. Its totient is φ = 11083262788800.

The previous prime is 12101102000987. The next prime is 12101102001029. The reversal of 12101102001001 is 10010020110121.

It is a cyclic number.

It is not a de Polignac number, because 12101102001001 - 2⁹ = 12101102000489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101102001071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939041 + ... + 5287918.

It is an arithmetic number, because the mean of its divisors is an integer number (820852570720).

Almost surely, 2^{12101102001001} is an apocalyptic number.

It is an amenable number.

12101102001001 is a deficient number, since it is larger than the sum of its proper divisors (1032539130519).

12101102001001 is a wasteful number, since it uses less digits than its factorization.

12101102001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227976.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12101102001001 its reverse (10010020110121), we get a palindrome (22111122111122).

The spelling of 12101102001001 in words is "twelve trillion, one hundred one billion, one hundred two million, one thousand, one".