2021042112044 has 36 divisors (see below), whose sum is σ = 3733485059304. Its totient is φ = 957152248128.

The previous prime is 2021042112029. The next prime is 2021042112049. The reversal of 2021042112044 is 4402112401202.

It is a super-2 number, since 2×2021042112044² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021042112049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7554944 + ... + 7817880.

It is an arithmetic number, because the mean of its divisors is an integer number (103707918314).

Almost surely, 2^{2021042112044} is an apocalyptic number.

It is an amenable number.

2021042112044 is a deficient number, since it is larger than the sum of its proper divisors (1712442947260).

2021042112044 is a wasteful number, since it uses less digits than its factorization.

2021042112044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268302 (or 268281 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2021042112044 its reverse (4402112401202), we get a palindrome (6423154513246).

The spelling of 2021042112044 in words is "two trillion, twenty-one billion, forty-two million, one hundred twelve thousand, forty-four".