211244341400 has 24 divisors (see below), whose sum is σ = 491143094220. Its totient is φ = 84497736480.

The previous prime is 211244341391. The next prime is 211244341403. The reversal of 211244341400 is 4143442112.

It is a self number, because there is not a number n which added to its sum of digits gives 211244341400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211244341403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528110654 + ... + 528111053.

Almost surely, 2^211244341400 is an apocalyptic number.

211244341400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211244341400 is an abundant number, since it is smaller than the sum of its proper divisors (279898752820).

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

211244341400 is a wasteful number, since it uses less digits than its factorization.

211244341400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056221723 (or 1056221714 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211244341400 its reverse (4143442112), we get a palindrome (215387783512).

The spelling of 211244341400 in words is "two hundred eleven billion, two hundred forty-four million, three hundred forty-one thousand, four hundred".