202421201193 has 48 divisors (see below), whose sum is σ = 306829845504. Its totient is φ = 128349175680.

The previous prime is 202421201173. The next prime is 202421201207. The reversal of 202421201193 is 391102124202.

202421201193 is a `hidden beast` number, since 20 + 2 + 421 + 201 + 19 + 3 = 666.

202421201193 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 202421201193 - 2⁵ = 202421201161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202421201153) 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 47 ways as a sum of consecutive naturals, for example, 48974755 + ... + 48978887.

It is an arithmetic number, because the mean of its divisors is an integer number (6392288448).

Almost surely, 2^202421201193 is an apocalyptic number.

202421201193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202421201193 is a deficient number, since it is larger than the sum of its proper divisors (104408644311).

202421201193 is a wasteful number, since it uses less digits than its factorization.

202421201193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 202421201193 its reverse (391102124202), we get a palindrome (593523325395).

The spelling of 202421201193 in words is "two hundred two billion, four hundred twenty-one million, two hundred one thousand, one hundred ninety-three".