211110110010 has 48 divisors (see below), whose sum is σ = 548924553216. Its totient is φ = 56292104544.

The previous prime is 211110109943. The next prime is 211110110017. The reversal of 211110110010 is 10011011112.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 211110109974 and 211110110001.

It is not an unprimeable number, because it can be changed into a prime (211110110017) 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 23 ways as a sum of consecutive naturals, for example, 1356007 + ... + 1503653.

It is an arithmetic number, because the mean of its divisors is an integer number (11435928192).

Almost surely, 2^211110110010 is an apocalyptic number.

211110110010 is an abundant number, since it is smaller than the sum of its proper divisors (337814443206).

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

211110110010 is a wasteful number, since it uses less digits than its factorization.

211110110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163547 (or 163544 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 211110110010 its reverse (10011011112), we get a palindrome (221121121122).

The spelling of 211110110010 in words is "two hundred eleven billion, one hundred ten million, one hundred ten thousand, ten".