211001342 has 4 divisors (see below), whose sum is σ = 316502016. Its totient is φ = 105500670.

The previous prime is 211001311. The next prime is 211001347. The reversal of 211001342 is 243100112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001347) 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 as a sum of consecutive naturals, namely, 52750334 + ... + 52750337.

It is an arithmetic number, because the mean of its divisors is an integer number (79125504).

Almost surely, 2^211001342 is an apocalyptic number.

211001342 is a deficient number, since it is larger than the sum of its proper divisors (105500674).

211001342 is a wasteful number, since it uses less digits than its factorization.

211001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105500673.

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

The square root of 211001342 is about 14525.8852398055. The cubic root of 211001342 is about 595.3354434573.

Adding to 211001342 its reverse (243100112), we get a palindrome (454101454).

The spelling of 211001342 in words is "two hundred eleven million, one thousand, three hundred forty-two".