210442132011 has 4 divisors (see below), whose sum is σ = 280589509352. Its totient is φ = 140294754672.

The previous prime is 210442132003. The next prime is 210442132027. The reversal of 210442132011 is 110231244012.

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

It is not a de Polignac number, because 210442132011 - 2³ = 210442132003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210442132811) 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, 35073688666 + ... + 35073688671.

It is an arithmetic number, because the mean of its divisors is an integer number (70147377338).

Almost surely, 2^210442132011 is an apocalyptic number.

210442132011 is a deficient number, since it is larger than the sum of its proper divisors (70147377341).

210442132011 is an equidigital number, since it uses as much as digits as its factorization.

210442132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70147377340.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 210442132011 its reverse (110231244012), we get a palindrome (320673376023).

The spelling of 210442132011 in words is "two hundred ten billion, four hundred forty-two million, one hundred thirty-two thousand, eleven".