20210211020003 has 4 divisors (see below), whose sum is σ = 20210912378280. Its totient is φ = 20209509661728.

The previous prime is 20210211019987. The next prime is 20210211020089. The reversal of 20210211020003 is 30002011201202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20210211020003 - 2⁴ = 20210211019987 is a prime.

It is a super-2 number, since 2×20210211020003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210211020003.

It is not an unprimeable number, because it can be changed into a prime (20210211020303) 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 3 ways as a sum of consecutive naturals, for example, 350635913 + ... + 350693546.

It is an arithmetic number, because the mean of its divisors is an integer number (5052728094570).

Almost surely, 2^{20210211020003} is an apocalyptic number.

20210211020003 is a deficient number, since it is larger than the sum of its proper divisors (701358277).

20210211020003 is an equidigital number, since it uses as much as digits as its factorization.

20210211020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701358276.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20210211020003 its reverse (30002011201202), we get a palindrome (50212222221205).

The spelling of 20210211020003 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, twenty thousand, three".