2021220012022 has 64 divisors (see below), whose sum is σ = 3115599759360. Its totient is φ = 983175532416.

The previous prime is 2021220012001. The next prime is 2021220012073. The reversal of 2021220012022 is 2202100221202.

It is a junction number, because it is equal to n+sod(n) for n = 2021220011987 and 2021220012005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2670039268 + ... + 2670040024.

It is an arithmetic number, because the mean of its divisors is an integer number (48681246240).

Almost surely, 2^{2021220012022} is an apocalyptic number.

2021220012022 is a deficient number, since it is larger than the sum of its proper divisors (1094379747338).

2021220012022 is a wasteful number, since it uses less digits than its factorization.

2021220012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2021220012022 its reverse (2202100221202), we get a palindrome (4223320233224).

The spelling of 2021220012022 in words is "two trillion, twenty-one billion, two hundred twenty million, twelve thousand, twenty-two".