2011111220112 has 40 divisors (see below), whose sum is σ = 5257965489504. Its totient is φ = 662293653504.

The previous prime is 2011111220101. The next prime is 2011111220113. The reversal of 2011111220112 is 2110221111102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011111220091 and 2011111220100.

It is not an unprimeable number, because it can be changed into a prime (2011111220113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252394513 + ... + 252402480.

Almost surely, 2^{2011111220112} is an apocalyptic number.

It is an amenable number.

2011111220112 is an abundant number, since it is smaller than the sum of its proper divisors (3246854269392).

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

2011111220112 is a wasteful number, since it uses less digits than its factorization.

2011111220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504797087 (or 504797081 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2011111220112 its reverse (2110221111102), we get a palindrome (4121332331214).

The spelling of 2011111220112 in words is "two trillion, eleven billion, one hundred eleven million, two hundred twenty thousand, one hundred twelve".