211122202212200 has 48 divisors (see below), whose sum is σ = 491007552017280. Its totient is φ = 84423344218560.

The previous prime is 211122202212193. The next prime is 211122202212209. The reversal of 211122202212200 is 2212202221112.

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

It is not an unprimeable number, because it can be changed into a prime (211122202212209) 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, 158941112 + ... + 160263911.

It is an arithmetic number, because the mean of its divisors is an integer number (10229324000360).

Almost surely, 2^{211122202212200} is an apocalyptic number.

211122202212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122202212200 is an abundant number, since it is smaller than the sum of its proper divisors (279885349805080).

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

211122202212200 is a wasteful number, since it uses less digits than its factorization.

211122202212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319208346 (or 319208337 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211122202212200 its reverse (2212202221112), we get a palindrome (213334404433312).

The spelling of 211122202212200 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, two hundred twelve thousand, two hundred".