12101121200011 has 4 divisors (see below), whose sum is σ = 12101160430432. Its totient is φ = 12101081969592.

The previous prime is 12101121200009. The next prime is 12101121200033. The reversal of 12101121200011 is 11000212110121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12101121200011 - 2¹ = 12101121200009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101121199964 and 12101121200000.

It is not an unprimeable number, because it can be changed into a prime (12101121200041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19148820 + ... + 19770673.

It is an arithmetic number, because the mean of its divisors is an integer number (3025290107608).

Almost surely, 2^{12101121200011} is an apocalyptic number.

12101121200011 is a deficient number, since it is larger than the sum of its proper divisors (39230421).

12101121200011 is an equidigital number, since it uses as much as digits as its factorization.

12101121200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39230420.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101121200011 its reverse (11000212110121), we get a palindrome (23101333310132).

The spelling of 12101121200011 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, two hundred thousand, eleven".