2011222110212 has 36 divisors (see below), whose sum is σ = 4108247328780. Its totient is φ = 859010491584.

The previous prime is 2011222110181. The next prime is 2011222110239. The reversal of 2011222110212 is 2120112221102.

It can be written as a sum of positive squares in 2 ways, for example, as 1932500340736 + 78721769476 = 1390144^2 + 280574^2 .

It is a super-2 number, since 2×2011222110212² (a number of 25 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 17453387 + ... + 17568242.

It is an arithmetic number, because the mean of its divisors is an integer number (114117981355).

Almost surely, 2^{2011222110212} is an apocalyptic number.

It is an amenable number.

2011222110212 is an abundant number, since it is smaller than the sum of its proper divisors (2097025218568).

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

2011222110212 is a wasteful number, since it uses less digits than its factorization.

2011222110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35021940 (or 35021931 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2011222110212 its reverse (2120112221102), we get a palindrome (4131334331314).

The spelling of 2011222110212 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, two hundred twelve".