2001110221012 has 12 divisors (see below), whose sum is σ = 4002220442080. Its totient is φ = 857618666136.

The previous prime is 2001110220983. The next prime is 2001110221021. The reversal of 2001110221012 is 2101220111002.

2001110221012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2001110220983 and 2001110221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35734111062 + ... + 35734111117.

Almost surely, 2^{2001110221012} is an apocalyptic number.

It is an amenable number.

2001110221012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2001110221012 is a wasteful number, since it uses less digits than its factorization.

2001110221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71468222190 (or 71468222188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001110221012 its reverse (2101220111002), we get a palindrome (4102330332014).

The spelling of 2001110221012 in words is "two trillion, one billion, one hundred ten million, two hundred twenty-one thousand, twelve".