211121230210 has 32 divisors (see below), whose sum is σ = 418669953984. Its totient is φ = 76011240000.

The previous prime is 211121230207. The next prime is 211121230213. The reversal of 211121230210 is 12032121112.

It is an interprime number because it is at equal distance from previous prime (211121230207) and next prime (211121230213).

It is not an unprimeable number, because it can be changed into a prime (211121230213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9490296 + ... + 9512515.

It is an arithmetic number, because the mean of its divisors is an integer number (13083436062).

Almost surely, 2^211121230210 is an apocalyptic number.

211121230210 is a deficient number, since it is larger than the sum of its proper divisors (207548723774).

211121230210 is a wasteful number, since it uses less digits than its factorization.

211121230210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002930.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211121230210 its reverse (12032121112), we get a palindrome (223153351322).

The spelling of 211121230210 in words is "two hundred eleven billion, one hundred twenty-one million, two hundred thirty thousand, two hundred ten".