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222122211231020 = 22511106110561551
BaseRepresentation
bin110010100000010011011011…
…011111110100010100101100
31002010110200020210221012101212
4302200103123133310110230
5213103222242033343040
62104225311331253552
764533541314223532
oct6240233337642454
91063420223835355
10222122211231020
1164858556586941
1220ab493314a2b8
1396c305b155959
143cbcab55da152
151aa2d96092d65
hexca04db7f452c

222122211231020 has 12 divisors (see below), whose sum is σ = 466456643585184. Its totient is φ = 88848884492400.

The previous prime is 222122211231013. The next prime is 222122211231077. The reversal of 222122211231020 is 20132112221222.

222122211231020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5553055280756 + ... + 5553055280795.

It is an arithmetic number, because the mean of its divisors is an integer number (38871386965432).

Almost surely, 2222122211231020 is an apocalyptic number.

222122211231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122211231020 is an abundant number, since it is smaller than the sum of its proper divisors (244334432354164).

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

222122211231020 is a wasteful number, since it uses less digits than its factorization.

222122211231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106110561560 (or 11106110561558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222122211231020 its reverse (20132112221222), we get a palindrome (242254323452242).

The spelling of 222122211231020 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 11106110561551 22212221123102 44424442246204 55530552807755 111061105615510 222122211231020