2011212210112 has 56 divisors (see below), whose sum is σ = 4608164158304. Its totient is φ = 853062008832.

The previous prime is 2011212210103. The next prime is 2011212210131. The reversal of 2011212210112 is 2110122121102.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23097333 + ... + 23184244.

It is an arithmetic number, because the mean of its divisors is an integer number (82288645684).

Almost surely, 2^{2011212210112} is an apocalyptic number.

It is an amenable number.

2011212210112 is an abundant number, since it is smaller than the sum of its proper divisors (2596951948192).

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

2011212210112 is an equidigital number, since it uses as much as digits as its factorization.

2011212210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46281693 (or 46281683 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011212210112 its reverse (2110122121102), we get a palindrome (4121334331214).

The spelling of 2011212210112 in words is "two trillion, eleven billion, two hundred twelve million, two hundred ten thousand, one hundred twelve".