210043242011 has 4 divisors (see below), whose sum is σ = 210045070224. Its totient is φ = 210041413800.

The previous prime is 210043242001. The next prime is 210043242029. The reversal of 210043242011 is 110242340012.

210043242011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210043242011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210043242001) 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 3 ways as a sum of consecutive naturals, for example, 729320 + ... + 975701.

It is an arithmetic number, because the mean of its divisors is an integer number (52511267556).

Almost surely, 2^210043242011 is an apocalyptic number.

210043242011 is a deficient number, since it is larger than the sum of its proper divisors (1828213).

210043242011 is a wasteful number, since it uses less digits than its factorization.

210043242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828212.

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

Adding to 210043242011 its reverse (110242340012), we get a palindrome (320285582023).

The spelling of 210043242011 in words is "two hundred ten billion, forty-three million, two hundred forty-two thousand, eleven".