12021000101 has 8 divisors (see below), whose sum is σ = 13885219584. Its totient is φ = 10285347520.

The previous prime is 12021000091. The next prime is 12021000127. The reversal of 12021000101 is 10100012021.

12021000101 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 not a de Polignac number, because 12021000101 - 2²⁶ = 11953891237 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 (12021000191) 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, 32141525 + ... + 32141898.

It is an arithmetic number, because the mean of its divisors is an integer number (1735652448).

Almost surely, 2^12021000101 is an apocalyptic number.

12021000101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12021000101 is a deficient number, since it is larger than the sum of its proper divisors (1864219483).

12021000101 is a wasteful number, since it uses less digits than its factorization.

12021000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64283451.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12021000101 its reverse (10100012021), we get a palindrome (22121012122).

The spelling of 12021000101 in words is "twelve billion, twenty-one million, one hundred one", and thus it is an aban number.