211889212 has 6 divisors (see below), whose sum is σ = 370806128. Its totient is φ = 105944604.

The previous prime is 211889203. The next prime is 211889233. The reversal of 211889212 is 212988112.

211889212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26486148 + ... + 26486155.

Almost surely, 2^211889212 is an apocalyptic number.

It is an amenable number.

211889212 is a deficient number, since it is larger than the sum of its proper divisors (158916916).

211889212 is a wasteful number, since it uses less digits than its factorization.

211889212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52972307 (or 52972305 counting only the distinct ones).

The product of its digits is 4608, while the sum is 34.

The square root of 211889212 is about 14556.4148058511. The cubic root of 211889212 is about 596.1693098853.

The spelling of 211889212 in words is "two hundred eleven million, eight hundred eighty-nine thousand, two hundred twelve".