12020100110021 has 8 divisors (see below), whose sum is σ = 12029595125184. Its totient is φ = 12010606958560.

The previous prime is 12020100109991. The next prime is 12020100110027. The reversal of 12020100110021 is 12001100102021.

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 12020100110021 - 2¹⁴ = 12020100093637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020100109984 and 12020100110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020100110027) 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, 12582386 + ... + 13503948.

It is an arithmetic number, because the mean of its divisors is an integer number (1503699390648).

Almost surely, 2^{12020100110021} is an apocalyptic number.

It is an amenable number.

12020100110021 is a deficient number, since it is larger than the sum of its proper divisors (9495015163).

12020100110021 is an equidigital number, since it uses as much as digits as its factorization.

12020100110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931851.

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

Adding to 12020100110021 its reverse (12001100102021), we get a palindrome (24021200212042).

The spelling of 12020100110021 in words is "twelve trillion, twenty billion, one hundred million, one hundred ten thousand, twenty-one".