2011021011012 has 24 divisors (see below), whose sum is σ = 5053334848576. Its totient is φ = 618775695648.

The previous prime is 2011021011007. The next prime is 2011021011017. The reversal of 2011021011012 is 2101101201102.

It is an interprime number because it is at equal distance from previous prime (2011021011007) and next prime (2011021011017).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2011021011017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6445580008 + ... + 6445580319.

Almost surely, 2^{2011021011012} is an apocalyptic number.

It is an amenable number.

2011021011012 is an abundant number, since it is smaller than the sum of its proper divisors (3042313837564).

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

2011021011012 is a wasteful number, since it uses less digits than its factorization.

2011021011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891160347 (or 12891160345 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011021011012 its reverse (2101101201102), we get a palindrome (4112122212114).

The spelling of 2011021011012 in words is "two trillion, eleven billion, twenty-one million, eleven thousand, twelve".