12101000012021 has 8 divisors (see below), whose sum is σ = 12329631569760. Its totient is φ = 11873152783152.

The previous prime is 12101000012011. The next prime is 12101000012047. The reversal of 12101000012021 is 12021000010121.

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-12101000012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101000011993 and 12101000012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101000012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196051070 + ... + 196112783.

It is an arithmetic number, because the mean of its divisors is an integer number (1541203946220).

Almost surely, 2^{12101000012021} is an apocalyptic number.

It is an amenable number.

12101000012021 is a deficient number, since it is larger than the sum of its proper divisors (228631557739).

12101000012021 is an equidigital number, since it uses as much as digits as its factorization.

12101000012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392164435.

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

Adding to 12101000012021 its reverse (12021000010121), we get a palindrome (24122000022142).

The spelling of 12101000012021 in words is "twelve trillion, one hundred one billion, twelve thousand, twenty-one".