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22110010212 = 223171943532503
BaseRepresentation
bin10100100101110110…
…111111101101100100
32010001212212220010010
4110211312333231210
5330240130311322
614053542130220
71411622662113
oct244566775544
963055786103
1022110010212
119416584a14
124350720970
13211488bba4
1410da619c7a
1589610e20c
hex525dbfb64

22110010212 has 192 divisors, whose sum is σ = 59971000320. Its totient is φ = 6294951936.

The previous prime is 22110010211. The next prime is 22110010261. The reversal of 22110010212 is 21201001122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22110010211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8832153 + ... + 8834655.

It is an arithmetic number, because the mean of its divisors is an integer number (312348960).

Almost surely, 222110010212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22110010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29985500160).

22110010212 is an abundant number, since it is smaller than the sum of its proper divisors (37860990108).

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

22110010212 is a wasteful number, since it uses less digits than its factorization.

22110010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22110010212 its reverse (21201001122), we get a palindrome (43311011334).

The spelling of 22110010212 in words is "twenty-two billion, one hundred ten million, ten thousand, two hundred twelve".