202421430011 has 4 divisors (see below), whose sum is σ = 202649639952. Its totient is φ = 202193220072.

The previous prime is 202421429981. The next prime is 202421430017. The reversal of 202421430011 is 110034124202.

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 202421430011 - 2¹⁰ = 202421428987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202421430017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114103640 + ... + 114105413.

It is an arithmetic number, because the mean of its divisors is an integer number (50662409988).

Almost surely, 2^202421430011 is an apocalyptic number.

202421430011 is a deficient number, since it is larger than the sum of its proper divisors (228209941).

202421430011 is an equidigital number, since it uses as much as digits as its factorization.

202421430011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228209940.

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

Adding to 202421430011 its reverse (110034124202), we get a palindrome (312455554213).

The spelling of 202421430011 in words is "two hundred two billion, four hundred twenty-one million, four hundred thirty thousand, eleven".