2021222112024 has 16 divisors (see below), whose sum is σ = 5053055280120. Its totient is φ = 673740704000.
The previous prime is 2021222111977. The next prime is 2021222112031. The reversal of 2021222112024 is 4202112221202.
It is a super-2 number, since 2×20212221120242 (a number of 25 digits) contains 22 as substring.
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, 42108793977 + ... + 42108794024.
Almost surely, 22021222112024 is an apocalyptic number.
2021222112024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2021222112024 is an abundant number, since it is smaller than the sum of its proper divisors (3031833168096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021222112024 is a wasteful number, since it uses less digits than its factorization.
2021222112024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84217588010 (or 84217588006 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 2021222112024 its reverse (4202112221202), we get a palindrome (6223334333226).
The spelling of 2021222112024 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, twenty-four".
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