211120230 has 32 divisors (see below), whose sum is σ = 523035648. Its totient is φ = 54482400.

The previous prime is 211120223. The next prime is 211120237. The reversal of 211120230 is 32021112.

It is an interprime number because it is at equal distance from previous prime (211120223) and next prime (211120237).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112576 + ... + 114435.

It is an arithmetic number, because the mean of its divisors is an integer number (16344864).

Almost surely, 2^211120230 is an apocalyptic number.

211120230 is an abundant number, since it is smaller than the sum of its proper divisors (311915418).

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

211120230 is a wasteful number, since it uses less digits than its factorization.

211120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227052.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 211120230 is about 14529.9769442350. The cubic root of 211120230 is about 595.4472357180.

Adding to 211120230 its reverse (32021112), we get a palindrome (243141342).

The spelling of 211120230 in words is "two hundred eleven million, one hundred twenty thousand, two hundred thirty".