2011112021312 has 112 divisors (see below), whose sum is σ = 4314277457280. Its totient is φ = 926720704512.

The previous prime is 2011112021297. The next prime is 2011112021341. The reversal of 2011112021312 is 2131202111102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10948853 + ... + 11131019.

It is an arithmetic number, because the mean of its divisors is an integer number (38520334440).

Almost surely, 2^{2011112021312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011112021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157138728640).

2011112021312 is an abundant number, since it is smaller than the sum of its proper divisors (2303165435968).

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

2011112021312 is a wasteful number, since it uses less digits than its factorization.

2011112021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182408 (or 182398 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2011112021312 its reverse (2131202111102), we get a palindrome (4142314132414).

The spelling of 2011112021312 in words is "two trillion, eleven billion, one hundred twelve million, twenty-one thousand, three hundred twelve".