202113040421 has 8 divisors (see below), whose sum is σ = 202510832640. Its totient is φ = 201715386912.

The previous prime is 202113040397. The next prime is 202113040529. The reversal of 202113040421 is 124040311202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202113040421 - 2⁶ = 202113040357 is a prime.

It is a super-2 number, since 2×202113040421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202113040393 and 202113040402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113040121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171356 + ... + 3234458.

It is an arithmetic number, because the mean of its divisors is an integer number (25313854080).

Almost surely, 2^202113040421 is an apocalyptic number.

It is an amenable number.

202113040421 is a deficient number, since it is larger than the sum of its proper divisors (397792219).

202113040421 is an equidigital number, since it uses as much as digits as its factorization.

202113040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69355.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202113040421 its reverse (124040311202), we get a palindrome (326153351623).

The spelling of 202113040421 in words is "two hundred two billion, one hundred thirteen million, forty thousand, four hundred twenty-one".