211121052 has 12 divisors (see below), whose sum is σ = 492615816. Its totient is φ = 70373680.

The previous prime is 211121051. The next prime is 211121063. The reversal of 211121052 is 250121112.

211121052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121051) 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, 8796699 + ... + 8796722.

It is an arithmetic number, because the mean of its divisors is an integer number (41051318).

Almost surely, 2^211121052 is an apocalyptic number.

It is an amenable number.

211121052 is an abundant number, since it is smaller than the sum of its proper divisors (281494764).

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

211121052 is a wasteful number, since it uses less digits than its factorization.

211121052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593428 (or 17593426 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 211121052 is about 14530.0052305565. The cubic root of 211121052 is about 595.4480085115.

Adding to 211121052 its reverse (250121112), we get a palindrome (461242164).

The spelling of 211121052 in words is "two hundred eleven million, one hundred twenty-one thousand, fifty-two".