2021023112022 has 24 divisors (see below), whose sum is σ = 4422238694640. Its totient is φ = 667004326800.

The previous prime is 2021023111999. The next prime is 2021023112039. The reversal of 2021023112022 is 2202113201202.

2021023112022 is a `hidden beast` number, since 20 + 210 + 231 + 1 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021023111986 and 2021023112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555835122 + ... + 555838757.

It is an arithmetic number, because the mean of its divisors is an integer number (184259945610).

Almost surely, 2^{2021023112022} is an apocalyptic number.

2021023112022 is an abundant number, since it is smaller than the sum of its proper divisors (2401215582618).

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

2021023112022 is a wasteful number, since it uses less digits than its factorization.

2021023112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111673988 (or 1111673985 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2021023112022 its reverse (2202113201202), we get a palindrome (4223136313224).

The spelling of 2021023112022 in words is "two trillion, twenty-one billion, twenty-three million, one hundred twelve thousand, twenty-two".