211126650 has 48 divisors (see below), whose sum is σ = 598396224. Its totient is φ = 48257280.

The previous prime is 211126649. The next prime is 211126661. The reversal of 211126650 is 56621112.

211126650 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 self number, because there is not a number n which added to its sum of digits gives 211126650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99487 + ... + 101586.

It is an arithmetic number, because the mean of its divisors is an integer number (12466588).

Almost surely, 2^211126650 is an apocalyptic number.

211126650 is an abundant number, since it is smaller than the sum of its proper divisors (387269574).

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

211126650 is a wasteful number, since it uses less digits than its factorization.

211126650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201095 (or 201090 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 211126650 is about 14530.1978651359. The cubic root of 211126650 is about 595.4532713507.

Adding to 211126650 its reverse (56621112), we get a palindrome (267747762).

The spelling of 211126650 in words is "two hundred eleven million, one hundred twenty-six thousand, six hundred fifty".