20210210021203 has 4 divisors (see below), whose sum is σ = 20232492502840. Its totient is φ = 20187927539568.

The previous prime is 20210210021171. The next prime is 20210210021231. The reversal of 20210210021203 is 30212001201202.

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 20210210021203 - 2⁵ = 20210210021171 is a prime.

It is a super-2 number, since 2×20210210021203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210210021293) 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, 11141239458 + ... + 11141241271.

It is an arithmetic number, because the mean of its divisors is an integer number (5058123125710).

Almost surely, 2^{20210210021203} is an apocalyptic number.

20210210021203 is a deficient number, since it is larger than the sum of its proper divisors (22282481637).

20210210021203 is an equidigital number, since it uses as much as digits as its factorization.

20210210021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22282481636.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20210210021203 its reverse (30212001201202), we get a palindrome (50422211222405).

The spelling of 20210210021203 in words is "twenty trillion, two hundred ten billion, two hundred ten million, twenty-one thousand, two hundred three".