211100120212 has 12 divisors (see below), whose sum is σ = 369432435456. Its totient is φ = 105547995800.

The previous prime is 211100120197. The next prime is 211100120219. The reversal of 211100120212 is 212021001112.

It is a junction number, because it is equal to n+sod(n) for n = 211100120192 and 211100120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100120219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273298 + ... + 704905.

It is an arithmetic number, because the mean of its divisors is an integer number (30786036288).

Almost surely, 2^211100120212 is an apocalyptic number.

It is an amenable number.

211100120212 is a deficient number, since it is larger than the sum of its proper divisors (158332315244).

211100120212 is a wasteful number, since it uses less digits than its factorization.

211100120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032158 (or 1032156 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211100120212 its reverse (212021001112), we get a palindrome (423121121324).

The spelling of 211100120212 in words is "two hundred eleven billion, one hundred million, one hundred twenty thousand, two hundred twelve".