12021000020101 has 8 divisors (see below), whose sum is σ = 12543712784640. Its totient is φ = 11498292304752.

The previous prime is 12021000019949. The next prime is 12021000020137. The reversal of 12021000020101 is 10102000012021.

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 12021000020101 - 2¹⁵ = 12020999987333 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 (12021000020171) 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, 4084740 + ... + 6381778.

It is an arithmetic number, because the mean of its divisors is an integer number (1567964098080).

Almost surely, 2^{12021000020101} is an apocalyptic number.

It is an amenable number.

12021000020101 is a deficient number, since it is larger than the sum of its proper divisors (522712764539).

12021000020101 is a wasteful number, since it uses less digits than its factorization.

12021000020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524595.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12021000020101 its reverse (10102000012021), we get a palindrome (22123000032122).

The spelling of 12021000020101 in words is "twelve trillion, twenty-one billion, twenty thousand, one hundred one".