211212110110 has 8 divisors (see below), whose sum is σ = 380181798216. Its totient is φ = 84484844040.

The previous prime is 211212110089. The next prime is 211212110159. The reversal of 211212110110 is 11011212112.

It is a happy number.

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

It is a super-2 number, since 2×211212110110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10560605496 + ... + 10560605515.

It is an arithmetic number, because the mean of its divisors is an integer number (47522724777).

Almost surely, 2^211212110110 is an apocalyptic number.

211212110110 is a deficient number, since it is larger than the sum of its proper divisors (168969688106).

211212110110 is a wasteful number, since it uses less digits than its factorization.

211212110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121211018.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211212110110 its reverse (11011212112), we get a palindrome (222223322222).

The spelling of 211212110110 in words is "two hundred eleven billion, two hundred twelve million, one hundred ten thousand, one hundred ten".