12101002000021 has 8 divisors (see below), whose sum is σ = 13274027309088. Its totient is φ = 10940132394000.

The previous prime is 12101002000013. The next prime is 12101002000063. The reversal of 12101002000021 is 12000020010121.

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 12101002000021 - 2³ = 12101002000013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101001999971 and 12101002000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101002000081) 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, 3038923675 + ... + 3038927656.

It is an arithmetic number, because the mean of its divisors is an integer number (1659253413636).

Almost surely, 2^{12101002000021} is an apocalyptic number.

12101002000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101002000021 is a deficient number, since it is larger than the sum of its proper divisors (1173025309067).

12101002000021 is a wasteful number, since it uses less digits than its factorization.

12101002000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077851523.

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

Adding to 12101002000021 its reverse (12000020010121), we get a palindrome (24101022010142).

The spelling of 12101002000021 in words is "twelve trillion, one hundred one billion, two million, twenty-one", and thus it is an aban number.