2011220423004 has 96 divisors (see below), whose sum is σ = 5061538056960. Its totient is φ = 617894784000.

The previous prime is 2011220422931. The next prime is 2011220423033. The reversal of 2011220423004 is 4003240221102.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 343736679 + ... + 343742529.

It is an arithmetic number, because the mean of its divisors is an integer number (52724354760).

Almost surely, 2^{2011220423004} is an apocalyptic number.

It is an amenable number.

2011220423004 is an abundant number, since it is smaller than the sum of its proper divisors (3050317633956).

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

2011220423004 is a wasteful number, since it uses less digits than its factorization.

2011220423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851 (or 8849 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2011220423004 its reverse (4003240221102), we get a palindrome (6014460644106).

The spelling of 2011220423004 in words is "two trillion, eleven billion, two hundred twenty million, four hundred twenty-three thousand, four".