211121030 has 8 divisors (see below), whose sum is σ = 380017872. Its totient is φ = 84448408.

The previous prime is 211121021. The next prime is 211121047. The reversal of 211121030 is 30121112.

211121030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10556042 + ... + 10556061.

It is an arithmetic number, because the mean of its divisors is an integer number (47502234).

Almost surely, 2^211121030 is an apocalyptic number.

211121030 is a deficient number, since it is larger than the sum of its proper divisors (168896842).

211121030 is a wasteful number, since it uses less digits than its factorization.

211121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112110.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211121030 is about 14530.0044735024. The cubic root of 211121030 is about 595.4479878285.

Adding to 211121030 its reverse (30121112), we get a palindrome (241242142).

The spelling of 211121030 in words is "two hundred eleven million, one hundred twenty-one thousand, thirty".