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222122121112020 = 22353702035351867
BaseRepresentation
bin110010100000010011010110…
…001000000010100111010100
31002010110200000112100200101010
4302200103112020002213110
5213103222101001041040
62104225254351532220
764533536141224113
oct6240232610024724
91063420015320333
10222122121112020
116485850a724128
1220ab4908b2a070
1396c30455917bc
143cbcaa765bc7a
151aa2d8d1e0e80
hexca04d62029d4

222122121112020 has 24 divisors (see below), whose sum is σ = 621941939113824. Its totient is φ = 59232565629856.

The previous prime is 222122121112013. The next prime is 222122121112093. The reversal of 222122121112020 is 20211121221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851017675874 + ... + 1851017675993.

It is an arithmetic number, because the mean of its divisors is an integer number (25914247463076).

Almost surely, 2222122121112020 is an apocalyptic number.

222122121112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122121112020 is an abundant number, since it is smaller than the sum of its proper divisors (399819818001804).

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

222122121112020 is a wasteful number, since it uses less digits than its factorization.

222122121112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702035351879 (or 3702035351877 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222122121112020 its reverse (20211121221222), we get a palindrome (242333242333242).

The spelling of 222122121112020 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3702035351867 7404070703734 11106106055601 14808141407468 18510176759335 22212212111202 37020353518670 44424424222404 55530530278005 74040707037340 111061060556010 222122121112020