10203202030021 has 192 divisors, whose sum is σ = 14817160396800. Its totient is φ = 6801908256000.

The previous prime is 10203202030013. The next prime is 10203202030027. The reversal of 10203202030021 is 12003020230201.

It is not a de Polignac number, because 10203202030021 - 2³ = 10203202030013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10203202029977 and 10203202030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203202030027) 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 191 ways as a sum of consecutive naturals, for example, 2501395860 + ... + 2501399938.

It is an arithmetic number, because the mean of its divisors is an integer number (77172710400).

Almost surely, 2^{10203202030021} is an apocalyptic number.

10203202030021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10203202030021 is a deficient number, since it is larger than the sum of its proper divisors (4613958366779).

10203202030021 is a wasteful number, since it uses less digits than its factorization.

10203202030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10203202030021 its reverse (12003020230201), we get a palindrome (22206222260222).

The spelling of 10203202030021 in words is "ten trillion, two hundred three billion, two hundred two million, thirty thousand, twenty-one".