211112030 has 16 divisors (see below), whose sum is σ = 386443440. Its totient is φ = 83013312.

The previous prime is 211112023. The next prime is 211112053. The reversal of 211112030 is 30211112.

211112030 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178319 + ... + 179498.

It is an arithmetic number, because the mean of its divisors is an integer number (24152715).

Almost surely, 2^211112030 is an apocalyptic number.

211112030 is a deficient number, since it is larger than the sum of its proper divisors (175331410).

211112030 is a wasteful number, since it uses less digits than its factorization.

211112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357883.

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

The square root of 211112030 is about 14529.6947662365. The cubic root of 211112030 is about 595.4395264765.

Adding to 211112030 its reverse (30211112), we get a palindrome (241323142).

It can be divided in two parts, 2111 and 12030, that added together give a palindrome (14141).

The spelling of 211112030 in words is "two hundred eleven million, one hundred twelve thousand, thirty".