2011222112012 has 12 divisors (see below), whose sum is σ = 3519735098880. Its totient is φ = 1005583512336.

The previous prime is 2011222111999. The next prime is 2011222112017. The reversal of 2011222112012 is 2102112221102.

It is not an unprimeable number, because it can be changed into a prime (2011222112017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721187 + ... + 7014042.

It is an arithmetic number, because the mean of its divisors is an integer number (293311258240).

Almost surely, 2^{2011222112012} is an apocalyptic number.

It is an amenable number.

2011222112012 is a deficient number, since it is larger than the sum of its proper divisors (1508512986868).

2011222112012 is a wasteful number, since it uses less digits than its factorization.

2011222112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771840 (or 13771838 counting only the distinct ones).

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

Adding to 2011222112012 its reverse (2102112221102), we get a palindrome (4113334333114).

The spelling of 2011222112012 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred twelve thousand, twelve".