211250928188 has 12 divisors (see below), whose sum is σ = 371223105792. Its totient is φ = 105187183680.

The previous prime is 211250928181. The next prime is 211250928191. The reversal of 211250928188 is 881829052112.

It is a happy number.

211250928188 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211250928181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109569020 + ... + 109570947.

It is an arithmetic number, because the mean of its divisors is an integer number (30935258816).

Almost surely, 2^211250928188 is an apocalyptic number.

It is an amenable number.

211250928188 is a deficient number, since it is larger than the sum of its proper divisors (159972177604).

211250928188 is a wasteful number, since it uses less digits than its factorization.

211250928188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219140212 (or 219140210 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 47.

The spelling of 211250928188 in words is "two hundred eleven billion, two hundred fifty million, nine hundred twenty-eight thousand, one hundred eighty-eight".