211102041 has 4 divisors (see below), whose sum is σ = 281469392. Its totient is φ = 140734692.

The previous prime is 211102009. The next prime is 211102079. The reversal of 211102041 is 140201112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 211102041 - 2⁵ = 211102009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102081) 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 3 ways as a sum of consecutive naturals, for example, 35183671 + ... + 35183676.

It is an arithmetic number, because the mean of its divisors is an integer number (70367348).

Almost surely, 2^211102041 is an apocalyptic number.

It is an amenable number.

211102041 is a deficient number, since it is larger than the sum of its proper divisors (70367351).

211102041 is an equidigital number, since it uses as much as digits as its factorization.

211102041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70367350.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 211102041 is about 14529.3510178535. The cubic root of 211102041 is about 595.4301350343.

Adding to 211102041 its reverse (140201112), we get a palindrome (351303153).

The spelling of 211102041 in words is "two hundred eleven million, one hundred two thousand, forty-one".