12021120101 has 8 divisors (see below), whose sum is σ = 12240301920. Its totient is φ = 11803107888.

The previous prime is 12021120071. The next prime is 12021120113. The reversal of 12021120101 is 10102112021.

12021120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021120101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021150101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271646 + ... + 312783.

It is an arithmetic number, because the mean of its divisors is an integer number (1530037740).

Almost surely, 2^12021120101 is an apocalyptic number.

It is an amenable number.

12021120101 is a deficient number, since it is larger than the sum of its proper divisors (219181819).

12021120101 is an equidigital number, since it uses as much as digits as its factorization.

12021120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584803.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021120101 its reverse (10102112021), we get a palindrome (22123232122).

The spelling of 12021120101 in words is "twelve billion, twenty-one million, one hundred twenty thousand, one hundred one".