211121002022200 has 48 divisors (see below), whose sum is σ = 490940340005880. Its totient is φ = 84433947423360.

The previous prime is 211121002022173. The next prime is 211121002022257. The reversal of 211121002022200 is 2220200121112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89162139 + ... + 91499338.

Almost surely, 2^{211121002022200} is an apocalyptic number.

211121002022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211121002022200 is an abundant number, since it is smaller than the sum of its proper divisors (279819337983680).

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

211121002022200 is a wasteful number, since it uses less digits than its factorization.

211121002022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180667336 (or 180667327 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211121002022200 its reverse (2220200121112), we get a palindrome (213341202143312).

The spelling of 211121002022200 in words is "two hundred eleven trillion, one hundred twenty-one billion, two million, twenty-two thousand, two hundred".