211200211022120 has 32 divisors (see below), whose sum is σ = 476822319450120. Its totient is φ = 84191756471040.

The previous prime is 211200211022113. The next prime is 211200211022179. The reversal of 211200211022120 is 21220112002112.

It can be written as a sum of positive squares in 4 ways, for example, as 184477080430756 + 26723130591364 = 13582234^2 + 5169442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9010236191 + ... + 9010259630.

Almost surely, 2^{211200211022120} is an apocalyptic number.

211200211022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211200211022120 is an abundant number, since it is smaller than the sum of its proper divisors (265622108428000).

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

211200211022120 is a wasteful number, since it uses less digits than its factorization.

211200211022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020496125 (or 18020496121 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211200211022120 its reverse (21220112002112), we get a palindrome (232420323024232).

The spelling of 211200211022120 in words is "two hundred eleven trillion, two hundred billion, two hundred eleven million, twenty-two thousand, one hundred twenty".