2020002110021 has 4 divisors (see below), whose sum is σ = 2308573840032. Its totient is φ = 1731430380012.

The previous prime is 2020002110003. The next prime is 2020002110023. The reversal of 2020002110021 is 1200112000202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020002110021 - 2³⁸ = 1745124203077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020002109984 and 2020002110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020002110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144285864995 + ... + 144285865008.

It is an arithmetic number, because the mean of its divisors is an integer number (577143460008).

Almost surely, 2^{2020002110021} is an apocalyptic number.

It is an amenable number.

2020002110021 is a deficient number, since it is larger than the sum of its proper divisors (288571730011).

2020002110021 is an equidigital number, since it uses as much as digits as its factorization.

2020002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288571730010.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020002110021 its reverse (1200112000202), we get a palindrome (3220114110223).

The spelling of 2020002110021 in words is "two trillion, twenty billion, two million, one hundred ten thousand, twenty-one".