2011222010 has 32 divisors (see below), whose sum is σ = 4355130240. Its totient is φ = 653268672.

The previous prime is 2011221973. The next prime is 2011222019. The reversal of 2011222010 is 102221102.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011221982 and 2011222000.

It is not an unprimeable number, because it can be changed into a prime (2011222019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754769 + ... + 757428.

It is an arithmetic number, because the mean of its divisors is an integer number (136097820).

Almost surely, 2^2011222010 is an apocalyptic number.

2011222010 is an abundant number, since it is smaller than the sum of its proper divisors (2343908230).

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

2011222010 is a wasteful number, since it uses less digits than its factorization.

2011222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512230.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2011222010 is about 44846.6499306247. The cubic root of 2011222010 is about 1262.2731306228.

Adding to 2011222010 its reverse (102221102), we get a palindrome (2113443112).

The spelling of 2011222010 in words is "two billion, eleven million, two hundred twenty-two thousand, ten".