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33222121121 = 721126983617
BaseRepresentation
bin11110111100001100…
…010101011010100001
310011202022021121121102
4132330030111122201
51021014330333441
623132333204145
72254163240660
oct367414253241
9104668247542
1033222121121
11130a9026352
126532030655
133195aaa647
141872350dd7
15ce694669b
hex7bc3156a1

33222121121 has 16 divisors (see below), whose sum is σ = 38290354560. Its totient is φ = 28235450880.

The previous prime is 33222121073. The next prime is 33222121183. The reversal of 33222121121 is 12112122233.

It is not a de Polignac number, because 33222121121 - 210 = 33222120097 is a prime.

It is a super-2 number, since 2×332221211212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33222121093 and 33222121102.

It is not an unprimeable number, because it can be changed into a prime (33222121421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355505 + ... + 439121.

It is an arithmetic number, because the mean of its divisors is an integer number (2393147160).

Almost surely, 233222121121 is an apocalyptic number.

It is an amenable number.

33222121121 is a deficient number, since it is larger than the sum of its proper divisors (5068233439).

33222121121 is a wasteful number, since it uses less digits than its factorization.

33222121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84104.

The product of its digits is 288, while the sum is 20.

Adding to 33222121121 its reverse (12112122233), we get a palindrome (45334243354).

The spelling of 33222121121 in words is "thirty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 211 269 1477 1883 56759 83617 397313 585319 17643187 22492973 123502309 157450811 4746017303 33222121121