210442549011 has 8 divisors (see below), whose sum is σ = 280592765184. Its totient is φ = 140293682760.

The previous prime is 210442549003. The next prime is 210442549043. The reversal of 210442549011 is 110945244012.

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

It is not a de Polignac number, because 210442549011 - 2³ = 210442549003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210442545011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111666 + ... + 658296.

It is an arithmetic number, because the mean of its divisors is an integer number (35074095648).

Almost surely, 2^210442549011 is an apocalyptic number.

210442549011 is a deficient number, since it is larger than the sum of its proper divisors (70150216173).

210442549011 is a wasteful number, since it uses less digits than its factorization.

210442549011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674961.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 210442549011 in words is "two hundred ten billion, four hundred forty-two million, five hundred forty-nine thousand, eleven".