2021044203011 has 16 divisors (see below), whose sum is σ = 2078253408000. Its totient is φ = 1964320551648.

The previous prime is 2021044203007. The next prime is 2021044203049. The reversal of 2021044203011 is 1103024401202.

It is a cyclic number.

It is not a de Polignac number, because 2021044203011 - 2² = 2021044203007 is a prime.

It is a super-2 number, since 2×2021044203011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021044203611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7779605 + ... + 8035193.

It is an arithmetic number, because the mean of its divisors is an integer number (129890838000).

Almost surely, 2^{2021044203011} is an apocalyptic number.

2021044203011 is a deficient number, since it is larger than the sum of its proper divisors (57209204989).

2021044203011 is a wasteful number, since it uses less digits than its factorization.

2021044203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256538.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2021044203011 its reverse (1103024401202), we get a palindrome (3124068604213).

The spelling of 2021044203011 in words is "two trillion, twenty-one billion, forty-four million, two hundred three thousand, eleven".