211113521440050 has 48 divisors (see below), whose sum is σ = 554359270423392. Its totient is φ = 52985354400000.

The previous prime is 211113521440021. The next prime is 211113521440057. The reversal of 211113521440050 is 50044125311112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211113521440057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41394805576 + ... + 41394810675.

It is an arithmetic number, because the mean of its divisors is an integer number (11549151467154).

Almost surely, 2^{211113521440050} is an apocalyptic number.

211113521440050 is an abundant number, since it is smaller than the sum of its proper divisors (343245748983342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211113521440050 is a wasteful number, since it uses less digits than its factorization.

211113521440050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82789616283 (or 82789616278 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 211113521440050 its reverse (50044125311112), we get a palindrome (261157646751162).

The spelling of 211113521440050 in words is "two hundred eleven trillion, one hundred thirteen billion, five hundred twenty-one million, four hundred forty thousand, fifty".