202103000421 has 24 divisors (see below), whose sum is σ = 313591685184. Its totient is φ = 115441079040.

The previous prime is 202103000419. The next prime is 202103000453. The reversal of 202103000421 is 124000301202.

202103000421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202103000421 - 2¹ = 202103000419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202103000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103000461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93301 + ... + 642581.

It is an arithmetic number, because the mean of its divisors is an integer number (13066320216).

Almost surely, 2^202103000421 is an apocalyptic number.

202103000421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202103000421 is a deficient number, since it is larger than the sum of its proper divisors (111488684763).

202103000421 is a wasteful number, since it uses less digits than its factorization.

202103000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551801 (or 551794 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202103000421 its reverse (124000301202), we get a palindrome (326103301623).

The spelling of 202103000421 in words is "two hundred two billion, one hundred three million, four hundred twenty-one", and thus it is an aban number.