2021222112022 has 8 divisors (see below), whose sum is σ = 3031877372400.
Its totient is φ = 1010596321224.
The previous prime is 2021222111977. The next prime is 2021222112031. The reversal of 2021222112022 is 2202112221202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×20212221120222 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 7195122 + ... + 7470757.
It is an arithmetic number, because the mean of its divisors is an integer number (378984671550).
Almost surely, 22021222112022 is an apocalyptic number.
2021222112022 is a deficient number, since it is larger than the sum of its proper divisors (1010655260378).
2021222112022 is a wasteful number, since it uses less digits than its factorization.
2021222112022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14734790.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 2021222112022 its reverse (2202112221202), we get a palindrome (4223334333224).
The spelling of 2021222112022 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, twenty-two".