2011222110 has 32 divisors (see below), whose sum is σ = 4840404480. Its totient is φ = 534829088.

The previous prime is 2011222093. The next prime is 2011222117. The reversal of 2011222110 is 112221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222117) 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, 82602 + ... + 104141.

It is an arithmetic number, because the mean of its divisors is an integer number (151262640).

Almost surely, 2^2011222110 is an apocalyptic number.

2011222110 is an abundant number, since it is smaller than the sum of its proper divisors (2829182370).

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

2011222110 is a wasteful number, since it uses less digits than its factorization.

2011222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187112.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2011222110 is about 44846.6510455352. The cubic root of 2011222110 is about 1262.2731515433.

Adding to 2011222110 its reverse (112221102), we get a palindrome (2123443212).

The spelling of 2011222110 in words is "two billion, eleven million, two hundred twenty-two thousand, one hundred ten".