211011244102 has 8 divisors (see below), whose sum is σ = 318346443936. Its totient is φ = 104895762792.

The previous prime is 211011244097. The next prime is 211011244117. The reversal of 211011244102 is 201442110112.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211011244102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304929198 + ... + 304929889.

It is an arithmetic number, because the mean of its divisors is an integer number (39793305492).

Almost surely, 2^211011244102 is an apocalyptic number.

211011244102 is a deficient number, since it is larger than the sum of its proper divisors (107335199834).

211011244102 is a wasteful number, since it uses less digits than its factorization.

211011244102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609859262.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211011244102 its reverse (201442110112), we get a palindrome (412453354214).

The spelling of 211011244102 in words is "two hundred eleven billion, eleven million, two hundred forty-four thousand, one hundred two".