2021212222022 has 8 divisors (see below), whose sum is σ = 3464935237776. Its totient is φ = 866233809432.

The previous prime is 2021212221997. The next prime is 2021212222037. The reversal of 2021212222022 is 2202222121202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2021212222022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021212221985 and 2021212222003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72186150773 + ... + 72186150800.

It is an arithmetic number, because the mean of its divisors is an integer number (433116904722).

Almost surely, 2^{2021212222022} is an apocalyptic number.

2021212222022 is a deficient number, since it is larger than the sum of its proper divisors (1443723015754).

2021212222022 is a wasteful number, since it uses less digits than its factorization.

2021212222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144372301582.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2021212222022 its reverse (2202222121202), we get a palindrome (4223434343224).

The spelling of 2021212222022 in words is "two trillion, twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".