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112222110121001 = 1718581335526581
BaseRepresentation
bin11001100001000010111111…
…000000100111110000101001
3112201100022212210202211122222
4121201002333000213300221
5104202121340142333001
61034402043051323425
732431531335065036
oct3141027700476051
9481308783684588
10112222110121001
11328371475a2351
1210705491750575
134a8066575211a
141d9d81711a38d
15ce924bc9661b
hex6610bf027c29

112222110121001 has 8 divisors (see below), whose sum is σ = 118824053539464. Its totient is φ = 105620238127360.

The previous prime is 112222110120971. The next prime is 112222110121097. The reversal of 112222110121001 is 100121011222211.

It can be written as a sum of positive squares in 4 ways, for example, as 76183639848976 + 36038470272025 = 8728324^2 + 6003205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112222110121001 - 218 = 112222109858857 is a prime.

It is a super-2 number, since 2×1122221101210012 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112222110121201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14604470 + ... + 20922111.

It is an arithmetic number, because the mean of its divisors is an integer number (14853006692433).

Almost surely, 2112222110121001 is an apocalyptic number.

It is an amenable number.

112222110121001 is a deficient number, since it is larger than the sum of its proper divisors (6601943418463).

112222110121001 is a wasteful number, since it uses less digits than its factorization.

112222110121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35712411.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112222110121001 its reverse (100121011222211), we get a palindrome (212343121343212).

The spelling of 112222110121001 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, one".

Divisors: 1 17 185813 3158821 35526581 603951877 6601300595353 112222110121001