211100111020212 has 24 divisors (see below), whose sum is σ = 508456181382912. Its totient is φ = 68096810006400.

The previous prime is 211100111020199. The next prime is 211100111020229. The reversal of 211100111020212 is 212020111001112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211100111020191 and 211100111020200.

It is a congruent number.

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, 283736707989 + ... + 283736708732.

It is an arithmetic number, because the mean of its divisors is an integer number (21185674224288).

Almost surely, 2^{211100111020212} is an apocalyptic number.

It is an amenable number.

211100111020212 is an abundant number, since it is smaller than the sum of its proper divisors (297356070362700).

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

211100111020212 is a wasteful number, since it uses less digits than its factorization.

211100111020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567473416759 (or 567473416757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211100111020212 its reverse (212020111001112), we get a palindrome (423120222021324).

The spelling of 211100111020212 in words is "two hundred eleven trillion, one hundred billion, one hundred eleven million, twenty thousand, two hundred twelve".