210342011 has 16 divisors (see below), whose sum is σ = 234420480. Its totient is φ = 187128480.

The previous prime is 210342007. The next prime is 210342023. The reversal of 210342011 is 110243012.

It is not a de Polignac number, because 210342011 - 2² = 210342007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210342211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122225 + ... + 123933.

It is an arithmetic number, because the mean of its divisors is an integer number (14651280).

Almost surely, 2^210342011 is an apocalyptic number.

210342011 is a deficient number, since it is larger than the sum of its proper divisors (24078469).

210342011 is a wasteful number, since it uses less digits than its factorization.

210342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210342011 is about 14503.1724460547. The cubic root of 210342011 is about 594.7147006868.

Adding to 210342011 its reverse (110243012), we get a palindrome (320585023).

The spelling of 210342011 in words is "two hundred ten million, three hundred forty-two thousand, eleven".