211005141 has 8 divisors (see below), whose sum is σ = 281709120. Its totient is φ = 140485632.

The previous prime is 211005061. The next prime is 211005209. The reversal of 211005141 is 141500112.

It is a happy number.

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

It is not a de Polignac number, because 211005141 - 2¹⁵ = 210972373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211005141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211005341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43425 + ... + 48038.

It is an arithmetic number, because the mean of its divisors is an integer number (35213640).

Almost surely, 2^211005141 is an apocalyptic number.

It is an amenable number.

211005141 is a deficient number, since it is larger than the sum of its proper divisors (70703979).

211005141 is an equidigital number, since it uses as much as digits as its factorization.

211005141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92235.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 211005141 is about 14526.0160057739. The cubic root of 211005141 is about 595.3390163663.

Adding to 211005141 its reverse (141500112), we get a palindrome (352505253).

The spelling of 211005141 in words is "two hundred eleven million, five thousand, one hundred forty-one".