12021001112101 has 8 divisors (see below), whose sum is σ = 12044723950080. Its totient is φ = 11997300946032.

The previous prime is 12021001112059. The next prime is 12021001112119. The reversal of 12021001112101 is 10121110012021.

It is a happy number.

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-12021001112101 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 (12021001112801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606305 + ... + 6727558.

It is an arithmetic number, because the mean of its divisors is an integer number (1505590493760).

Almost surely, 2^{12021001112101} is an apocalyptic number.

It is an amenable number.

12021001112101 is a deficient number, since it is larger than the sum of its proper divisors (23722837979).

12021001112101 is a wasteful number, since it uses less digits than its factorization.

12021001112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335955.

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

Adding to 12021001112101 its reverse (10121110012021), we get a palindrome (22142111124122).

The spelling of 12021001112101 in words is "twelve trillion, twenty-one billion, one million, one hundred twelve thousand, one hundred one".