211422213200 has 60 divisors (see below), whose sum is σ = 554118412128. Its totient is φ = 76880803200.

The previous prime is 211422213193. The next prime is 211422213203. The reversal of 211422213200 is 2312224112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422213203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24020852 + ... + 24029651.

Almost surely, 2^211422213200 is an apocalyptic number.

211422213200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211422213200 is an abundant number, since it is smaller than the sum of its proper divisors (342696198928).

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

211422213200 is a wasteful number, since it uses less digits than its factorization.

211422213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48050532 (or 48050521 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211422213200 its reverse (2312224112), we get a palindrome (213734437312).

The spelling of 211422213200 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred thirteen thousand, two hundred".